🛡️ CVE-2023-25820
🟡 CVSS 4.2 — Medium ✅ No Known Exploit CWE-307 NVD
4.2
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity MEDIUM
CVSS Score 4.2
CVSS Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
CWE CWE-307
Public Exploit ✅ No
Source NVD
Published 2023-03-22
Updated 2026-06-08
Modified 2024-11-21

Affected Packages

Software From version Fixed in
nextcloud-server 25.0.0 25.0.4

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