CVE-2023-49792
Description
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server prior to versions 26.0.9 and 27.1.4; as well as Nextcloud Enterprise Server prior to versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4; when a (reverse) proxy is configured as trusted proxy the server could be tricked into reading a wrong remote address for an attacker, allowing them executing authentication attempts than intended. Nextcloud Server versions 26.0.9 and 27.1.4 and Nextcloud Enterprise Server versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4 contain a patch for this issue. No known workarounds are available.
How to fix
- nextcloud nextcloud_server23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, 27.1.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nextcloud nextcloud_server | 23.0.0 ≤ v < 23.0.12.13, 24.0.0 ≤ v < 24.0.12.9, 25.0.0 ≤ v < 25.0.13.4, 26.0.0 ≤ v < 26.0.9, 27.0.0 ≤ v < 27.1.4 | 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, 27.1.4 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.