CVE-2023-39954

{"id": "CVE-2023-39954", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.8, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 1.2}]}, "published": "2023-08-10T15:15:09.693", "references": [{"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3f92-5c8p-f6gq", "tags": ["Patch", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/nextcloud/user_oidc/pull/636", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://hackerone.com/reports/1994328", "tags": ["Permissions Required"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-311"}]}], "descriptions": [{"lang": "en", "value": "user_oidc provides the OIDC connect user backend for Nextcloud, an open-source cloud platform. Starting in version 1.0.0 and prior to version 1.3.3, an attacker that obtained at least read access to a snapshot of the database can impersonate the Nextcloud server towards linked servers. user_oidc 1.3.3 contains a patch. No known workarounds are available."}, {"lang": "es", "value": "user_oidc proporciona el backend de usuario de conexi\u00f3n OIDC para Nextcloud, una plataforma en la nube de c\u00f3digo abierto. A partir de la versi\u00f3n 1.0.0 y antes de la versi\u00f3n 1.3.3, un atacante que haya obtenido al menos acceso de lectura a una instant\u00e1nea de la base de datos puede suplantar la identidad del servidor Nextcloud ante servidores vinculados. user_oidc 1.3.3 contiene un parche. No se conocen soluciones disponibles."}], "lastModified": "2023-08-16T19:15:35.977", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:user_oidc:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "97E08567-1AEA-413F-A59D-C80E63DD58BB", "versionEndExcluding": "1.3.3", "versionStartIncluding": "1.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}