René Helmke 7791f18b51 bootstrap
2023-05-16 16:09:41 +02:00

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{
"id": "CVE-2021-31920",
"sourceIdentifier": "cve@mitre.org",
"published": "2021-05-27T05:15:06.880",
"lastModified": "2022-07-12T17:42:04.277",
"vulnStatus": "Analyzed",
"descriptions": [
{
"lang": "en",
"value": "Istio before 1.8.6 and 1.9.x before 1.9.5 has a remotely exploitable vulnerability where an HTTP request path with multiple slashes or escaped slash characters (%2F or %5C) could potentially bypass an Istio authorization policy when path based authorization rules are used."
},
{
"lang": "es",
"value": "Istio versiones anteriores a 1.8.6 y versiones 1.9.x anteriores a 1.9.5 presenta una vulnerabilidad explotable de forma remota en la que una ruta de petici\u00f3n HTTP con m\u00faltiples barras o caracteres de barra de escape (%2F o %5C) podr\u00eda omitir potencialmente una pol\u00edtica de autorizaci\u00f3n de Istio cuando las reglas de autorizaci\u00f3n basadas en la ruta son usadas"
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
],
"cvssMetricV2": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
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"vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "SINGLE",
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.0
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 8.0,
"impactScore": 2.9,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-706"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"vulnerable": true,
"criteria": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*",
"versionEndExcluding": "1.8.6",
"matchCriteriaId": "CD72BDF7-907A-407F-94BF-ACDB1F8FFAD1"
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{
"vulnerable": true,
"criteria": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*",
"versionStartIncluding": "1.9.0",
"versionEndExcluding": "1.9.5",
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],
"references": [
{
"url": "https://istio.io/latest/news/security/istio-security-2021-005/",
"source": "cve@mitre.org",
"tags": [
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"Vendor Advisory"
]
}
]
}