CVE-2021-31920

{"id": "CVE-2021-31920", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2021-05-27T05:15:06.880", "references": [{"url": "https://istio.io/latest/news/security/istio-security-2021-005/", "tags": ["Exploit", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://istio.io/latest/news/security/istio-security-2021-005/", "tags": ["Exploit", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-706"}]}], "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"}], "lastModified": "2024-11-21T06:06:30.790", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CD72BDF7-907A-407F-94BF-ACDB1F8FFAD1", "versionEndExcluding": "1.8.6"}, {"criteria": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EF73EA19-5803-4F37-A250-1C8597A17FA1", "versionEndExcluding": "1.9.5", "versionStartIncluding": "1.9.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}