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…
4.3Mittel
CVE-2025-47791Nextcloud Server's test remote endpoint is not rate limited
Beschreibung
Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 28.0.13, 29.0.10, and 30.0.3 and Nextcloud Enterprise Server prior to 28.0.13, 29.0.10, and 30.0.3, a currently unused endpoint to verify a share recipient was not protected correctly, allowing to proxy requests to another server. The endpoint was removed in Nextcloud Server 28.0.13, 29.0.10, and 30.0.3 and Nextcloud Enterprise Server 28.0.13, 29.0.10, and 30.0.3. No known workarounds are available.
Schwachstellentyp (CWE):
CWE-918
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 – < 28.0.13 | |
| nextcloud | security-advisories | >= 28.0.0, < 28.0.13, >= 29.0.0, < 29.0.10, >= 30.0.0, < 30.0.3 |
Referenzen und Patches
CPE-Treffer (NVD) (6)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*≥ 28.0.0 < 28.0.13cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*≥ 28.0.0 < 28.0.13cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*≥ 29.0.0 < 29.0.10cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*≥ 29.0.0 < 29.0.10cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*≥ 30.0.0 < 30.0.3cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*≥ 30.0.0 < 30.0.3