mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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128 lines
3.2 KiB
JSON
128 lines
3.2 KiB
JSON
{
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"id": "CVE-2021-27854",
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"sourceIdentifier": "cret@cert.org",
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"published": "2022-09-27T19:15:09.240",
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"lastModified": "2022-10-12T13:15:10.407",
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"vulnStatus": "Modified",
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"descriptions": [
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{
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"lang": "en",
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"value": "Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using combinations of VLAN 0 headers, LLC/SNAP headers, and converting frames from Ethernet to Wifi and its reverse."
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},
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{
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"lang": "es",
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"value": "Las capacidades de filtrado de red de capa 2, como la protecci\u00f3n RA de IPv6, pueden omitirse usando combinaciones de encabezados VLAN 0, encabezados LLC/SNAP y convirtiendo tramas de Ethernet a Wifi y su inversa"
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
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"attackVector": "ADJACENT_NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "CHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "LOW",
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"availabilityImpact": "NONE",
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"baseScore": 4.7,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 2.8,
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"impactScore": 1.4
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-290"
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}
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]
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},
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{
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"source": "cret@cert.org",
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"type": "Secondary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-290"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:ieee:ieee_802.2:*:*:*:*:*:*:*:*",
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"versionEndIncluding": "802.2h-1997",
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"matchCriteriaId": "D5B0DDC2-21C5-4682-9AA2-055BF7C722DA"
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}
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]
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}
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]
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},
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:ietf:p802.1q:*:*:*:*:*:*:*:*",
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"versionEndIncluding": "d1.0",
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"matchCriteriaId": "94105D2E-950F-4290-8840-301FA908BC8C"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://blog.champtar.fr/VLAN0_LLC_SNAP/",
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"source": "cret@cert.org"
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},
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{
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"url": "https://datatracker.ietf.org/doc/draft-ietf-v6ops-ra-guard/08/",
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"source": "cret@cert.org",
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"tags": [
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"Vendor Advisory"
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]
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},
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{
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"url": "https://kb.cert.org/vuls/id/855201",
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"source": "cret@cert.org"
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},
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{
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"url": "https://standards.ieee.org/ieee/802.1Q/10323/",
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"source": "cret@cert.org",
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"tags": [
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"Vendor Advisory"
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]
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},
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{
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"url": "https://standards.ieee.org/ieee/802.2/1048/",
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"source": "cret@cert.org",
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"tags": [
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"Vendor Advisory"
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]
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}
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]
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} |