Show plain JSON{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*", "matchCriteriaId": "F442FD61-0BF6-40CF-A61F-17169F7164BB", "versionEndIncluding": "1.5.8", "versionStartIncluding": "1.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*", "matchCriteriaId": "77283330-B057-436E-9F15-59933DFE38E2", "versionEndIncluding": "1.6.7", "versionStartIncluding": "1.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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"}], "id": "CVE-2020-16844", "lastModified": "2024-11-21T05:07:15.150", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.9, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-10-01T17:15:13.150", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://github.com/istio/istio/releases"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://istio.io/latest/news/security/istio-security-2020-009/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/istio/istio/releases"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://istio.io/latest/news/security/istio-security-2020-009/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}