| Daniel Veillard | d80d072 | 2009-08-22 18:56:01 +0200 | [diff] [blame] | 1 | <?xml version="1.0"?>
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| 2 | <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
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| 3 | targetNamespace="http://nvd.nist.gov/feeds/cve/1.2"
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| 4 | xmlns:cve="http://nvd.nist.gov/feeds/cve/1.2" |
| 5 | elementFormDefault="qualified" attributeFormDefault="unqualified" |
| 6 | version="1.2">
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| 7 | <xs:annotation>
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| 8 | <xs:documentation>This schema defines the structure of the National
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| 9 | Vulnerability Database XML feed files version: 1.2. The elements and
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| 10 | attribute in this document are described by xs:annotation tags. This
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| 11 | file is kept at http://nvd.nist.gov/schema/nvdcve.xsd. The NVD XML
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| 12 | feeds are available at http://nvd.nist.gov/download.cfm.
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| 13 |
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| 14 | Release Notes:
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| 15 |
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| 16 | Version 1.2:
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| 17 | * CVSS version 2 scores and vectors have been added. Please see
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| 18 | http://nvd.nist.gov/cvss.cfm?vectorinfo and
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| 19 | http://www.first.org/cvss/cvss-guide.html for more information on
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| 20 | how to interpret this data. </xs:documentation>
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| 21 | </xs:annotation>
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| 22 | <xs:element name="nvd">
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| 23 | <xs:annotation>
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| 24 | <xs:documentation>The root element of the NVD CVE feed. Multiple "entry" child elements describe specific NVD CVE entries.</xs:documentation>
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| 25 | </xs:annotation>
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| 26 | <xs:complexType>
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| 27 | <xs:sequence>
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| 28 | <xs:element ref="cve:entry" minOccurs="0" maxOccurs="unbounded"/>
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| 29 | </xs:sequence>
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| 30 | <xs:attribute name="nvd_xml_version" type="xs:NMTOKEN" use="required">
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| 31 | <xs:annotation>
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| 32 | <xs:documentation>The schema version number supported by the feed.</xs:documentation>
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| 33 | </xs:annotation>
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| 34 | </xs:attribute>
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| 35 | <xs:attribute name="pub_date" type="cve:dateType" use="required">
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| 36 | <xs:annotation>
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| 37 | <xs:documentation>The date the feed was generated.</xs:documentation>
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| 38 | </xs:annotation>
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| 39 | </xs:attribute>
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| 40 | </xs:complexType>
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| 41 | </xs:element>
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| 42 | |
| 43 | <xs:element name="entry" type="cve:entryType">
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| 44 | <xs:annotation>
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| 45 | <xs:documentation>A CVE entry.</xs:documentation>
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| 46 | </xs:annotation>
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| 47 | </xs:element>
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| 48 |
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| 49 | <!-- ******************************************************************* -->
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| 50 | <!-- * Complex Types * -->
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| 51 | <!-- ******************************************************************* -->
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| 52 | <xs:complexType name="entryType">
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| 53 | <xs:annotation>
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| 54 | <xs:documentation> Documents one CVE entry. The child elements should always
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| 55 | appear in the sequence defined below. These elements are compatible with
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| 56 | entry elements from the CVE XML feeds.</xs:documentation>
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| 57 | </xs:annotation>
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| 58 | <xs:sequence>
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| 59 | <xs:element name="desc">
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| 60 | <xs:annotation>
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| 61 | <xs:documentation>Description wrapper tag, parent to any
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| 62 | documented descriptions of this CVE entry. While the "desc"
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| 63 | tag will always be present, there may be no "descript" child
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| 64 | tags. Only one "descript" tag will exist for each
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| 65 | description source (i.e. CVE, NVD, ...). </xs:documentation>
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| 66 | </xs:annotation>
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| 67 | <xs:complexType>
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| 68 | <xs:sequence>
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| 69 | <xs:element name="descript" type="cve:descriptType" minOccurs="0" maxOccurs="2">
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| 70 | <xs:annotation>
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| 71 | <xs:documentation>A description of a CVE entry
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| 72 | from the source indicated by the "source"
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| 73 | attribute.</xs:documentation>
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| 74 | </xs:annotation>
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| 75 | </xs:element>
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| 76 | </xs:sequence>
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| 77 | </xs:complexType>
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| 78 | </xs:element>
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| 79 | <xs:element name="impacts" minOccurs="0">
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| 80 | <xs:annotation>
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| 81 | <xs:documentation> Impact wrapper tag (may or may not be
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| 82 | present). Only one "impact" tag will exist for each impact
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| 83 | explanation source. </xs:documentation>
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| 84 | </xs:annotation>
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| 85 | <xs:complexType>
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| 86 | <xs:sequence>
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| 87 | <xs:element name="impact" type="cve:impactType">
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| 88 | <xs:annotation>
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| 89 | <xs:documentation> Contains a specific impact
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| 90 | explanation of this CVE entry from source
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| 91 | indicated by the "source" attribute.
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| 92 | </xs:documentation>
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| 93 | </xs:annotation>
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| 94 | </xs:element>
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| 95 | </xs:sequence>
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| 96 | </xs:complexType>
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| 97 | </xs:element>
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| 98 | <xs:element name="sols" type="cve:solsType" minOccurs="0">
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| 99 | <xs:annotation>
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| 100 | <xs:documentation> Solution wrapper tag (may or may not be
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| 101 | present). Only one "sol" tag will exist for each solution
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| 102 | explanation source. </xs:documentation>
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| 103 | </xs:annotation>
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| 104 | </xs:element>
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| 105 | <xs:element name="loss_types" type="cve:lossTypeType" minOccurs="0">
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| 106 | <xs:annotation>
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| 107 | <xs:documentation> Loss type tag (may or may not be present).
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| 108 | Contains one loss type child for each loss type of this CVE
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| 109 | entry. Potential loss types are: "avail" => availability
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| 110 | "conf" => confidentiality "int" => integrity "sec_prot" =>
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| 111 | security protection </xs:documentation>
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| 112 | </xs:annotation>
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| 113 | </xs:element>
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| 114 | <xs:element name="vuln_types" type="cve:vulnType" minOccurs="0">
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| 115 | <xs:annotation>
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| 116 | <xs:documentation> Vulnerability type tag (may or may not be
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| 117 | present). Contains one vulnerability type child for each
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| 118 | vulnerability type of this CVE entry. Potential
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| 119 | vulnerability types are: "access" => Access validation error
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| 120 | "input" => Input validation error "design" => Design error
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| 121 | "exception" => Exceptional condition error "env" =>
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| 122 | Environmental error "config" => Configuration error "race"
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| 123 | => Race condition error "other" => other </xs:documentation>
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| 124 | </xs:annotation>
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| 125 | </xs:element>
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| 126 | <xs:element name="range" type="cve:rangeType" minOccurs="0">
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| 127 | <xs:annotation>
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| 128 | <xs:documentation> Vulnerability range tag (may or may not be
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| 129 | present). Contains one vulnerability range child for each
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| 130 | vulnerability range of this CVE entry. Potential
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| 131 | vulnerability ranges are: "local" => Locally exploitable
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| 132 | "local_network" => Local network exploitable "network" =>
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| 133 | Network exploitable "user_init" => User accesses attacker
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| 134 | </xs:documentation>
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| 135 | </xs:annotation>
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| 136 | </xs:element>
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| 137 | <xs:element name="refs">
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| 138 | <xs:annotation>
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| 139 | <xs:documentation> Reference wrapper tag (always present).
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| 140 | External references to this CVE entry are contained within
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| 141 | this tag. </xs:documentation>
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| 142 | </xs:annotation>
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| 143 | <xs:complexType>
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| 144 | <xs:sequence>
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| 145 | <xs:element name="ref" type="cve:refType" minOccurs="0" maxOccurs="unbounded">
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| 146 | <xs:annotation>
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| 147 | <xs:documentation> Individual reference to this CVE
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| 148 | entry. Text is the name of this vulnerability at
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| 149 | this particular reference. Attributes: "source"
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| 150 | (required) => Name of reference source "url"
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| 151 | (required) => hyperlink to reference "sig" =>
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| 152 | indicates this reference includes a tool
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| 153 | signature "adv" => indicates this reference is a
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| 154 | Security Advisory "patch" => indicates this
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| 155 | reference includes a patch for this
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| 156 | vulnerability </xs:documentation>
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| 157 | </xs:annotation>
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| 158 | </xs:element>
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| 159 | </xs:sequence>
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| 160 | </xs:complexType>
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| 161 | </xs:element>
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| 162 | <xs:element name="vuln_soft" type="cve:vulnSoftType" minOccurs="0">
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| 163 | <xs:annotation>
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| 164 | <xs:documentation> Vulnerable software wrapper tag (may or may
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| 165 | not be present). Software affected by this CVE entry are
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| 166 | listed within this tag. </xs:documentation>
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| 167 | </xs:annotation>
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| 168 | </xs:element>
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| 169 | </xs:sequence>
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| 170 | <xs:attribute name="type" use="required">
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| 171 | <xs:annotation>
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| 172 | <xs:documentation>CVE or CAN</xs:documentation>
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| 173 | </xs:annotation>
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| 174 | <xs:simpleType>
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| 175 | <xs:restriction base="xs:NMTOKEN">
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| 176 | <xs:enumeration value="CAN"/>
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| 177 | <xs:enumeration value="CVE"/>
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| 178 | </xs:restriction>
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| 179 | </xs:simpleType>
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| 180 | </xs:attribute>
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| 181 | <xs:attribute name="name" use="required">
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| 182 | <xs:annotation>
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| 183 | <xs:documentation>the full CVE name</xs:documentation>
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| 184 | </xs:annotation>
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| 185 | <xs:simpleType>
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| 186 | <xs:restriction base="xs:ID">
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| 187 | <xs:pattern value="(CAN|CVE)\-\d\d\d\d\-\d\d\d\d"/>
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| 188 | </xs:restriction>
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| 189 | </xs:simpleType>
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| 190 | </xs:attribute>
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| 191 | <xs:attribute name="seq" use="required">
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| 192 | <xs:annotation>
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| 193 | <xs:documentation>the sequence number from CVE name</xs:documentation>
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| 194 | </xs:annotation>
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| 195 | <xs:simpleType>
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| 196 | <xs:restriction base="xs:NMTOKEN">
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| 197 | <xs:pattern value="\d\d\d\d\-\d\d\d\d"/>
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| 198 | </xs:restriction>
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| 199 | </xs:simpleType>
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| 200 | </xs:attribute>
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| 201 | <xs:attribute name="nvd_name" type="xs:string">
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| 202 | <xs:annotation>
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| 203 | <xs:documentation>the NVD name (if it exists)</xs:documentation>
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| 204 | </xs:annotation>
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| 205 | </xs:attribute>
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| 206 | <xs:attribute name="discovered" type="cve:dateType">
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| 207 | <xs:annotation>
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| 208 | <xs:documentation>the date this entry was discovered</xs:documentation>
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| 209 | </xs:annotation>
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| 210 | </xs:attribute>
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| 211 | <xs:attribute name="published" type="cve:dateType" use="required">
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| 212 | <xs:annotation>
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| 213 | <xs:documentation>the date this entry was published</xs:documentation>
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| 214 | </xs:annotation>
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| 215 | </xs:attribute>
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| 216 | <xs:attribute name="modified" type="cve:dateType">
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| 217 | <xs:annotation>
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| 218 | <xs:documentation>the date this entry was last modified</xs:documentation>
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| 219 | </xs:annotation>
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| 220 | </xs:attribute>
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| 221 | <xs:attribute name="severity">
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| 222 | <xs:annotation>
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| 223 | <xs:documentation>the entry's severity as determined by the NVD analysts: High, Medium, or Low</xs:documentation>
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| 224 | </xs:annotation>
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| 225 | <xs:simpleType>
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| 226 | <xs:restriction base="xs:NMTOKEN">
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| 227 | <xs:enumeration value="High"/>
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| 228 | <xs:enumeration value="Medium"/>
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| 229 | <xs:enumeration value="Low"/>
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| 230 | </xs:restriction>
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| 231 | </xs:simpleType>
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| 232 | </xs:attribute>
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| 233 | <xs:attribute name="reject" type="cve:trueOnlyAttribute">
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| 234 | <xs:annotation>
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| 235 | <xs:documentation>indicates that this CVE entry has been rejected by CVE or NVD</xs:documentation>
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| 236 | </xs:annotation>
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| 237 | </xs:attribute>
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| 238 | <xs:attribute name="CVSS_version" type="xs:string">
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| 239 | <xs:annotation>
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| 240 | <xs:documentation>the CVSS Version Indicator</xs:documentation>
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| 241 | </xs:annotation>
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| 242 | </xs:attribute>
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| 243 | <xs:attribute name="CVSS_score" type="cve:zeroToTen">
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| 244 | <xs:annotation>
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| 245 | <xs:documentation>Same as the CVSS_base_score to provide backwards compatability with the previous CVE XML feed format. This field is deprecated an may be removed at a future date.</xs:documentation>
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| 246 | </xs:annotation>
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| 247 | </xs:attribute>
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| 248 | <xs:attribute name="CVSS_base_score" type="cve:zeroToTen">
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| 249 | <xs:annotation>
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| 250 | <xs:documentation>CVSS version 2 Base Score</xs:documentation>
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| 251 | </xs:annotation>
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| 252 | </xs:attribute>
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| 253 | <xs:attribute name="CVSS_impact_subscore" type="cve:zeroToTen">
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| 254 | <xs:annotation>
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| 255 | <xs:documentation>CVSS version 2 Impact Score</xs:documentation>
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| 256 | </xs:annotation>
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| 257 | </xs:attribute>
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| 258 | <xs:attribute name="CVSS_exploit_subscore" type="cve:zeroToTen">
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| 259 | <xs:annotation>
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| 260 | <xs:documentation>CVSS version 2 Exploit Score</xs:documentation>
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| 261 | </xs:annotation>
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| 262 | </xs:attribute>
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| 263 | <xs:attribute name="CVSS_vector" type="cve:CVSSVector">
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| 264 | <xs:annotation>
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| 265 | <xs:documentation>the CVSS version 2 Vector string</xs:documentation>
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| 266 | </xs:annotation>
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| 267 | </xs:attribute>
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| 268 | </xs:complexType>
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| 269 |
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| 270 | <xs:complexType name="descriptType">
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| 271 | <xs:simpleContent>
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| 272 | <xs:extension base="xs:string">
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| 273 | <xs:attribute name="source" type="cve:descriptSourceType" use="required">
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| 274 | <xs:annotation>
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| 275 | <xs:documentation>The source of the CVE description.</xs:documentation>
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| 276 | </xs:annotation>
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| 277 | </xs:attribute>
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| 278 | </xs:extension>
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| 279 | </xs:simpleContent>
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| 280 | </xs:complexType>
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| 281 |
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| 282 | <xs:complexType name="impactType">
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| 283 | <xs:simpleContent>
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| 284 | <xs:extension base="xs:string">
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| 285 | <xs:attribute name="source" type="cve:impactSourceType" use="required">
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| 286 | </xs:attribute>
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| 287 | </xs:extension>
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| 288 | </xs:simpleContent>
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| 289 | </xs:complexType>
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| 290 |
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| 291 | <xs:complexType name="vulnType">
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| 292 | <xs:sequence>
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| 293 | <xs:element name="access" minOccurs="0"/>
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| 294 | <xs:element name="input" minOccurs="0">
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| 295 | <xs:annotation>
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| 296 | <xs:documentation> Input validation error tag with
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| 297 | one attribute for each input validation error
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| 298 | type. Potential input validation error types
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| 299 | are: "bound" => Boundary condition error
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| 300 | "buffer" => Buffer overflow </xs:documentation>
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| 301 | </xs:annotation>
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| 302 | <xs:complexType>
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| 303 | <xs:attribute name="bound" type="cve:trueOnlyAttribute"/>
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| 304 | <xs:attribute name="buffer" type="cve:trueOnlyAttribute"
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| 305 | />
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| 306 | </xs:complexType>
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| 307 | </xs:element>
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| 308 | <xs:element name="design" minOccurs="0"/>
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| 309 | <xs:element name="exception" minOccurs="0"/>
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| 310 | <xs:element name="env" minOccurs="0"/>
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| 311 | <xs:element name="config" minOccurs="0"/>
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| 312 | <xs:element name="race" minOccurs="0"/>
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| 313 | <xs:element name="other" minOccurs="0"/>
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| 314 | </xs:sequence>
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| 315 | </xs:complexType>
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| 316 |
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| 317 | <xs:complexType name="solsType">
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| 318 | <xs:sequence>
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| 319 | <xs:element name="sol">
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| 320 | <xs:annotation>
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| 321 | <xs:documentation> Contains a specific solution
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| 322 | explanation of this CVE entry from source
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| 323 | indicated by the "source" attribute.
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| 324 | </xs:documentation>
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| 325 | </xs:annotation>
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| 326 | <xs:complexType mixed="true">
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| 327 | <xs:simpleContent>
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| 328 | <xs:extension base="xs:string">
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| 329 | <xs:attribute name="source" type="cve:solsSourceType" use="required">
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| 330 | </xs:attribute>
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| 331 | </xs:extension>
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| 332 | </xs:simpleContent>
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| 333 | </xs:complexType>
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| 334 | </xs:element>
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| 335 | </xs:sequence>
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| 336 | </xs:complexType>
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| 337 |
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| 338 | <xs:complexType name="lossTypeType">
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| 339 | <xs:sequence>
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| 340 | <xs:element name="avail" minOccurs="0"/>
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| 341 | <xs:element name="conf" minOccurs="0"/>
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| 342 | <xs:element name="int" minOccurs="0"/>
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| 343 | <xs:element name="sec_prot" minOccurs="0">
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| 344 | <xs:annotation>
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| 345 | <xs:documentation> Security Protection tag with one
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| 346 | attribute for each security protection type.
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| 347 | Potential security protection types are: "admin"
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| 348 | => gain administrative access "user" => gain
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| 349 | user access "other" => other </xs:documentation>
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| 350 | </xs:annotation>
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| 351 | <xs:complexType>
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| 352 | <xs:attribute name="admin" type="cve:trueOnlyAttribute"/>
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| 353 | <xs:attribute name="user" type="cve:trueOnlyAttribute"/>
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| 354 | <xs:attribute name="other" type="cve:trueOnlyAttribute"
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| 355 | />
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| 356 | </xs:complexType>
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| 357 | </xs:element>
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| 358 | </xs:sequence>
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| 359 | </xs:complexType>
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| 360 |
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| 361 | <xs:complexType name="rangeType">
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| 362 | <xs:sequence>
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| 363 | <xs:element name="local" minOccurs="0"/>
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| 364 | <xs:element name="local_network" minOccurs="0"/>
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| 365 | <xs:element name="network" minOccurs="0"/>
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| 366 | <xs:element name="user_init" minOccurs="0"/>
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| 367 | </xs:sequence>
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| 368 | </xs:complexType>
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| 369 |
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| 370 | <xs:complexType name="refType">
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| 371 | <xs:simpleContent>
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| 372 | <xs:extension base="xs:string">
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| 373 | <xs:attribute name="source" type="xs:string" use="required"/>
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| 374 | <xs:attribute name="url" type="cve:urlType" use="required"/>
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| 375 | <xs:attribute name="sig" type="cve:trueOnlyAttribute"/>
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| 376 | <xs:attribute name="adv" type="cve:trueOnlyAttribute"/>
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| 377 | <xs:attribute name="patch" type="cve:trueOnlyAttribute"/>
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| 378 | </xs:extension>
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| 379 | </xs:simpleContent>
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| 380 | </xs:complexType>
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| 381 |
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| 382 | <xs:complexType name="vulnSoftType">
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| 383 | <xs:sequence>
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| 384 | <xs:element name="prod" maxOccurs="unbounded">
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| 385 | <xs:annotation>
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| 386 | <xs:documentation> Product wrapper tag. Versions of
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| 387 | this product that are affected by this
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| 388 | vulnerability are listed within this tag.
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| 389 | Attributes: "name" => Product name "vendor" =>
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| 390 | Vendor of this product </xs:documentation>
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| 391 | </xs:annotation>
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| 392 | <xs:complexType>
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| 393 | <xs:sequence>
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| 394 | <xs:element name="vers" maxOccurs="unbounded">
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| 395 | <xs:annotation>
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| 396 | <xs:documentation> Represents a version
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| 397 | of this product that is affected by
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| 398 | this vulnerability. Attributes:
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| 399 | "num" => This version number "prev"
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| 400 | => Indicates that versions previous
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| 401 | to this version number are also
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| 402 | affected by this vulnerability
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| 403 | "edition" => Indicates the edition
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| 404 | associated with the version number
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| 405 | </xs:documentation>
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| 406 | </xs:annotation>
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| 407 | <xs:complexType>
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| 408 | <xs:attribute name="num"
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| 409 | type="xs:string" use="required"/>
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| 410 | <xs:attribute name="prev"
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| 411 | type="cve:trueOnlyAttribute"/>
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| 412 | <xs:attribute name="edition"
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| 413 | type="xs:string"/>
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| 414 | </xs:complexType>
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| 415 | </xs:element>
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| 416 | </xs:sequence>
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| 417 | <xs:attribute name="name" type="xs:string"
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| 418 | use="required"/>
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| 419 | <xs:attribute name="vendor" type="xs:string"
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| 420 | use="required"/>
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| 421 | </xs:complexType>
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| 422 | </xs:element>
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| 423 | </xs:sequence>
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| 424 | </xs:complexType>
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| 425 |
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| 426 | <!-- ******************************************************************* -->
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| 427 | <!-- * Simple Types * -->
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| 428 | <!-- ******************************************************************* -->
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| 429 | <xs:simpleType name="descriptSourceType">
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| 430 | <xs:restriction base="xs:NMTOKEN">
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| 431 | <xs:enumeration value="cve"/>
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| 432 | <xs:enumeration value="nvd"/>
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| 433 | </xs:restriction>
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| 434 | </xs:simpleType>
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| 435 |
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| 436 | <xs:simpleType name="impactSourceType">
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| 437 | <xs:restriction base="xs:NMTOKEN">
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| 438 | <xs:enumeration value="nvd"/>
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| 439 | </xs:restriction>
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| 440 | </xs:simpleType>
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| 441 |
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| 442 | <xs:simpleType name="solsSourceType">
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| 443 | <xs:restriction base="xs:NMTOKEN">
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| 444 | <xs:enumeration value="nvd"/>
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| 445 | </xs:restriction>
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| 446 | </xs:simpleType>
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| 447 |
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| 448 | <xs:simpleType name="dateType">
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| 449 | <xs:annotation>
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| 450 | <xs:documentation> Defines date format for NVD. Dates follow the mask "yyyy-mm-dd"
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| 451 | </xs:documentation>
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| 452 | </xs:annotation>
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| 453 | <xs:restriction base="xs:string">
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| 454 | <xs:pattern
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| 455 | value="(19|20)\d\d-((01|03|05|07|08|10|12)-(0[1-9]|[1-2]\d|3[01])|(04|06|09|11)-(0[1-9]|[1-2]\d|30)|02-(0[1-9]|1\d|2\d))"
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| 456 | />
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| 457 | </xs:restriction>
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| 458 | </xs:simpleType>
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| 459 | <xs:simpleType name="urlType">
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| 460 | <xs:annotation>
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| 461 | <xs:documentation> Restricts urls in NVD beyond the xs:anyURI restrictions.
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| 462 | </xs:documentation>
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| 463 | </xs:annotation>
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| 464 | <xs:restriction base="xs:anyURI">
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| 465 | <xs:whiteSpace value="collapse"/>
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| 466 | <xs:pattern value="(news|(ht|f)tp(s)?)://.+"/>
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| 467 | </xs:restriction>
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| 468 | </xs:simpleType>
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| 469 | <xs:simpleType name="trueOnlyAttribute">
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| 470 | <xs:annotation>
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| 471 | <xs:documentation> simpleType used for attributes that are only present when they are
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| 472 | true. Such attributes appear only in the form attribute_name="1".
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| 473 | </xs:documentation>
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| 474 | </xs:annotation>
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| 475 | <xs:restriction base="xs:NMTOKEN">
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| 476 | <xs:enumeration value="1"/>
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| 477 | </xs:restriction>
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| 478 | </xs:simpleType>
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| 479 | <xs:simpleType name="zeroToTen">
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| 480 | <xs:annotation>
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| 481 | <xs:documentation> simpleType used when scoring on a scale of 0-10, inclusive
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| 482 | </xs:documentation>
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| 483 | </xs:annotation>
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| 484 | <xs:restriction base="xs:decimal">
|
| 485 | <xs:minInclusive value="0" fixed="true"/>
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| 486 | <xs:maxInclusive value="10" fixed="true"/>
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| 487 | </xs:restriction>
|
| 488 | </xs:simpleType>
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| 489 | <xs:simpleType name="CVSSVector">
|
| 490 | <xs:annotation>
|
| 491 | <xs:documentation>simpleType to describe the CVSS Base Vector </xs:documentation>
|
| 492 | </xs:annotation>
|
| 493 | <xs:restriction base="xs:string">
|
| 494 | <xs:pattern
|
| 495 | value="\(AV:[LAN]/AC:[HML]/Au:[NSM]/C:[NPC]/I:[NPC]/A:[NPC]\)"/>
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| 496 | </xs:restriction>
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| 497 | </xs:simpleType>
|
| 498 | </xs:schema>
|