CVEvulnerability
CVE-2023-25820
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-03-22
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.2 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-307
Description
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform, and Nextcloud Enterprise Server is the enterprise version of the file server software. In Nextcloud Server versions 25.0.x prior to 25.0.5 and versions 24.0.x prior to 24.0.10 as well as Nextcloud Enterprise Server versions 25.0.x prior to 25.0.4, 24.0.x prior to 24.0.10, 23.0.x prior to 23.0.12.5, 22.x prior to 22.2.0.10, and 21.x prior to 21.0.9.10, when an attacker gets access to an already logged in user session they can then brute force the password on the confirmation endpoint. Nextcloud Server should upgraded to 24.0.10 or 25.0.4 and Nextcloud Enterprise Server should upgraded to 21.0.9.10, 22.2.10.10, 23.0.12.5, 24.0.10, or 25.0.4 to receive a patch. No known workarounds are available.
Affected configurations
• nextcloud nextcloud server (>= 21.0.0 < 21.0.9)
• nextcloud nextcloud server (>= 22.2.0 < 22.2.10.10)
• nextcloud nextcloud server (>= 23.0.0 < 23.0.12.5)
• nextcloud nextcloud server (>= 24.0.0 < 24.0.10)
• nextcloud nextcloud server (>= 25.0.0 < 25.0.4)
Related
Weakness · CWE (1)
- CWE-307 Improper Restriction of Excessive Authentication Attempts weakness
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-36g6-wjx2-333x Vendor Advisory
- https://github.com/nextcloud/server/pull/36489 Patch
- https://hackerone.com/reports/1842114 Third Party Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-36g6-wjx2-333x Vendor Advisory
- https://github.com/nextcloud/server/pull/36489 Patch
- https://hackerone.com/reports/1842114 Third Party Advisory