CVE-2025-66510

{"id": "CVE-2025-66510", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-66510", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2025-12-05T20:02:32.631822Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 0.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.2}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "nextcloud", "product": "security-advisories", "versions": [{"status": "affected", "version": ">= 32.0.0beta1, < 32.0.1"}, {"status": "affected", "version": "< 31.0.10"}]}]}], "published": "2025-12-05T17:16:04.613", "references": [{"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-495w-cqv6-wr59", "tags": ["Patch", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/nextcloud/server/commit/e4866860cbf24a746eb8a125587262a4c8831c57", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/nextcloud/server/pull/55657", "tags": ["Issue Tracking"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-359"}]}], "descriptions": [{"lang": "en", "value": "Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 31.0.10 and 32.0.1 and Nextcloud Enterprise Server prior to 28.0.14.11, 29.0.16.8, 30.0.17.3, and 31.0.10, contacts search allowed to retrieve personal data of other users (emails, names, identifiers) without proper access control. This allows an authenticated user to retrieve information about accounts that are not related or added as contacts."}, {"lang": "es", "value": "Nextcloud Server es un sistema de nube personal auto?alojado. En Nextcloud Server versiones anteriores a?31.0.10 y?32.0.1 y en Nextcloud Enterprise Server versiones anteriores a?28.0.14.11,?29.0.16.8,?30.0.17.3 y?31.0.10, la b\u00fasqueda de contactos permit\u00eda recuperar datos personales de otros usuarios (correos electr\u00f3nicos, nombres, identificadores) sin el control de acceso adecuado. Esto permite a un usuario autenticado recuperar informaci\u00f3n sobre cuentas que no est\u00e1n relacionadas ni a\u00f1adidas como contactos."}], "lastModified": "2026-10-18T14:10:00.110", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "B55EF258-E98A-43A9-B73C-AE62D448421D", "versionEndExcluding": "28.0.14.11", "versionStartIncluding": "28.0.0"}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "7710228F-2984-4F9A-8360-0054E7E78687", "versionEndExcluding": "29.0.16.8", "versionStartIncluding": "29.0.0"}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "9D119C97-0478-4CE4-8DAF-A72F69DC8C50", "versionEndExcluding": "30.0.17.3", "versionStartIncluding": "30.0.0"}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "2059C891-F256-482A-99BF-D912A1657419", "versionEndExcluding": "31.0.10", "versionStartIncluding": "31.0.0"}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "64C21E45-22B8-49B2-B630-30448D89A4E9", "versionEndExcluding": "31.0.10", "versionStartIncluding": "31.0.0"}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "A75D466C-B154-480A-9D4F-8E9454147156", "versionEndExcluding": "32.0.1", "versionStartIncluding": "32.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}