Abusing the federated share endpoint, an attacker can write arbitrary rows into the oc_share_external database table. These rows persist indefinitely — there is no automatic cleanup mechanism. Three distinct denial-of-service conditions follow from this write…
4.5Mittel
CVE-2025-66510Nextcloud Server Contacts Search allowed users to retrieve contact information of other users beyond their contact list
Beschreibung
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.
Schwachstellentyp (CWE):
CWE-359
Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.
Betroffene Produkte und Versionen
| Hersteller | Produkt | Versionen | |
|---|---|---|---|
| nextcloud | nextcloud server | 28.0.0 – < 28.0.14.11 | |
| nextcloud | security-advisories | >= 32.0.0beta1, < 32.0.1, < 31.0.10 |
Referenzen und Patches
CPE-Treffer (NVD) (6)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*≥ 28.0.0 < 28.0.14.11cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*≥ 29.0.0 < 29.0.16.8cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*≥ 30.0.0 < 30.0.17.3cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*≥ 31.0.0 < 31.0.10cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*≥ 31.0.0 < 31.0.10cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*≥ 32.0.0 < 32.0.1