4.3

CVE-2025-66547

Nextcloud Server users can modify tags on files that do not belong to them

Users can modify tags on files that do not belong to them

Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Enterprise Server prior to 31.0.1, non-privileged users can modify tags on files they should not have access to via bulk tagging. This vulnerability is fixed in 31.0.1.
Mögliche Gegenmaßnahme
Server: * No workaround available
Enterprise Server: * No workaround available
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
NextcloudNextcloud Server SwEdition- Version >= 31.0.0 < 31.0.1
NextcloudNextcloud Server SwEditionenterprise Version >= 31.0.0 < 31.0.1
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Weitere Schwachstelleninformationen
SystemNextcloud
Produkt Server
Version >= 31.0.0, < 31.0.1
SystemNextcloud
Produkt Enterprise Server
Version >= 31.0.0, < 31.0.1
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.03% 0.072
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security-advisories@github.com 4.3 2.8 1.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE-639 Authorization Bypass Through User-Controlled Key

The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.