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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:owncloud:owncloud_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "C9361F71-3BBC-4E79-9607-AD83017DD232", "versionEndExcluding": "10.13.1", "versionStartIncluding": "10.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in ownCloud owncloud/core before 10.13.1. An attacker can access, modify, or delete any file without authentication if the username of a victim is known, and the victim has no signing-key configured. This occurs because pre-signed URLs can be accepted even when no signing-key is configured for the owner of the files. The earliest affected version is 10.6.0."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en ownCloud owncloud/core antes de la versi\u00f3n 10.13.1. Un atacante puede acceder, modificar o eliminar cualquier archivo sin autenticaci\u00f3n si conoce el nombre de usuario de la v\u00edctima y la v\u00edctima no tiene una clave de firma configurada. Esto ocurre porque las URL prefirmadas se pueden aceptar incluso cuando no se configura ninguna clave de firma para el propietario de los archivos. La primera versi\u00f3n afectada es la 10.6.0."}], "id": "CVE-2023-49105", "lastModified": "2025-04-02T14:17:25.977", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "cve@mitre.org", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-11-21T22:15:08.613", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://owncloud.com/security-advisories/webdav-api-authentication-bypass-using-pre-signed-urls/"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "https://owncloud.org/security"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://owncloud.com/security-advisories/webdav-api-authentication-bypass-using-pre-signed-urls/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://owncloud.org/security"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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