CVE-2020-16844

{"id": "CVE-2020-16844", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.9, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 1.6}]}, "published": "2020-10-01T17:15:13.150", "references": [{"url": "https://github.com/istio/istio/releases", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://istio.io/latest/news/security/istio-security-2020-009/", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/istio/istio/releases", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://istio.io/latest/news/security/istio-security-2020-009/", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In Istio 1.5.0 though 1.5.8 and Istio 1.6.0 through 1.6.7, when users specify an AuthorizationPolicy resource with DENY actions using wildcard suffixes (e.g. *-some-suffix) for source principals or namespace fields, callers will never be denied access, bypassing the intended policy."}, {"lang": "es", "value": "En Istio versiones 1.5.0 hasta 1.5.8 e Istio versiones 1.6.0 hasta 1.6.7, cuando los usuarios especifican un recurso AuthorizationPolicy con acciones DENY usando sufijos de comod\u00edn (por ejemplo, *-some-suffix) para los campos source principals o namespace, a los que llaman nunca se le denegar\u00e1 el acceso, omitiendo la pol\u00edtica prevista"}], "lastModified": "2024-11-21T05:07:15.150", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F442FD61-0BF6-40CF-A61F-17169F7164BB", "versionEndIncluding": "1.5.8", "versionStartIncluding": "1.5.0"}, {"criteria": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "77283330-B057-436E-9F15-59933DFE38E2", "versionEndIncluding": "1.6.7", "versionStartIncluding": "1.6.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}