CVE-2024-37313: Nextcloud Server

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Nextcloud server is a self hosted personal cloud system. Under some circumstance it was possible to bypass the second factor of 2FA after successfully providing the user credentials. It is recommended that the Nextcloud Server is upgraded to 26.0.13, 27.1.8 or 28.0.4 and Nextcloud Enterprise Server is upgraded to 21.0.9.17, 22.2.10.22, 23.0.12.17, 24.0.12.13, 25.0.13.8, 26.0.13, 27.1.8 or 28.0.4.

Affected products

• Nextcloud Nextcloud Server: from 21.0.0, before 21.0.9.17 (fixed in 21.0.9.17); from 22.0.0, before 22.2.10.22 (fixed in 22.2.10.22); from 23.0.0, before 23.0.12.17 (fixed in 23.0.12.17); from 24.0.0, before 24.0.12.13 (fixed in 24.0.12.13); from 25.0.0, before 25.0.13.8 (fixed in 25.0.13.8); from 26.0.0, before 26.0.13 (fixed in 26.0.13); …

Published 2024-06-14. Last modified 2026-06-17.