CVE-2020-8595

{"id": "CVE-2020-8595", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 3.9}]}, "published": "2020-02-12T15:15:14.727", "references": [{"url": "https://access.redhat.com/errata/RHSA-2020:0477", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://access.redhat.com/security/cve/cve-2020-8595", "tags": ["Mitigation", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-8595", "tags": ["Issue Tracking", "Mitigation", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/istio/istio/commits/master", "tags": ["Patch"], "source": "cve@mitre.org"}, {"url": "https://istio.io/news/security/", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://istio.io/news/security/istio-security-2020-001/", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://access.redhat.com/errata/RHSA-2020:0477", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/security/cve/cve-2020-8595", "tags": ["Mitigation", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-8595", "tags": ["Issue Tracking", "Mitigation", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/istio/istio/commits/master", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://istio.io/news/security/", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://istio.io/news/security/istio-security-2020-001/", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "Istio versions 1.2.10 (End of Life) and prior, 1.3 through 1.3.7, and 1.4 through 1.4.3 allows authentication bypass. The Authentication Policy exact-path matching logic can allow unauthorized access to HTTP paths even if they are configured to be only accessed after presenting a valid JWT token. For example, an attacker can add a ? or # character to a URI that would otherwise satisfy an exact-path match."}, {"lang": "es", "value": "Las versiones Istio 1.2.10 (End of Life) y anteriores, 1.3 a 1.3.7, y 1.4 a 1.4.3 permiten la omisi\u00f3n de autenticaci\u00f3n. La l\u00f3gica de coincidencia de ruta exacta de la Pol\u00edtica de autenticaci\u00f3n puede permitir el acceso no autorizado a rutas HTTP incluso si est\u00e1n configuradas para acceder solo despu\u00e9s de presentar un token JWT v\u00e1lido. Por ejemplo, un atacante puede agregar un? o # car\u00e1cter a un URI que de otro modo satisfar\u00eda una coincidencia de ruta exacta."}], "lastModified": "2024-11-21T05:39:05.677", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4525B2C8-CAF7-4A8D-8BF3-0109A860D07D", "versionEndIncluding": "1.3.7", "versionStartIncluding": "1.3"}, {"criteria": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4620694C-DF2C-44BE-B3B7-43D0B4302AD4", "versionEndIncluding": "1.4.3", "versionStartIncluding": "1.4.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:openshift_service_mesh:1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "732F14CE-7994-4DD2-A28B-AE9E79826C01"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}