CVE-2025-64011

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:30.0.0:-:*:*:*:*:*:*", "matchCriteriaId": "E9029EB2-D570-4989-A86B-10E9107FB0E9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Nextcloud Server 30.0.0 is vulnerable to an Insecure Direct Object Reference (IDOR) in the /core/preview endpoint. Any authenticated user can access previews of arbitrary files belonging to other users by manipulating the fileId parameter. This allows unauthorized disclosure of sensitive data, such as text files or images, without prior sharing permissions."}, {"lang": "es", "value": "Servidor Nextcloud 30.0.0 es vulnerable a una Referencia Directa Insegura a Objeto (IDOR) en el endpoint /core/preview. Cualquier usuario autenticado puede acceder a previsualizaciones de archivos arbitrarios pertenecientes a otros usuarios manipulando el par\u00e1metro fileId. Esto permite la divulgaci\u00f3n no autorizada de datos sensibles, como archivos de texto o im\u00e1genes, sin permisos de compartici\u00f3n previos."}], "id": "CVE-2025-64011", "lastModified": "2026-10-14T17:10:00.210", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-64011", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-12-12T19:12:30.962776Z", "version": "2.0.3"}}]}, "published": "2025-12-12T17:15:45.210", "references": [{"source": "cve@mitre.org", "tags": ["Exploit"], "url": "https://drive.google.com/file/d/1eD3PN-u1caZYgGH96XHmJ7h_OBXEAHW4/view?usp=sharing"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://gist.github.com/tarekramm/586dfe2d113fedfee6d71182570fc090"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "https://nextcloud.com"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"created": "2025-12-14T21:16:58.929103+00:00", "updated": "2025-12-14T21:16:58.929123+00:00", "vendors": ["nextcloud", "nextcloud$PRODUCT$server"]}