CVEvulnerability

CVE-2023-39958

5.3 MEDIUM Published 2023-08-10 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-08-10
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.8 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-307

Description

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versions 22.2.10.13, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, missing protection allows an attacker to brute force the client secrets of configured OAuth2 clients. Nextcloud Server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 22.2.10.13, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available.

Affected configurations

• nextcloud nextcloud server (>= 22.0.0 < 22.2.10.14) • nextcloud nextcloud server (>= 23.0.0 < 23.0.12.9) • nextcloud nextcloud server (>= 24.0.0 < 24.0.12.5) • nextcloud nextcloud server (>= 25.0.0 < 25.0.9) • nextcloud nextcloud server (>= 26.0.0 < 26.0.4) • nextcloud nextcloud server 27.0.0

Related

Weakness · CWE (1)

  • CWE-307 Improper Restriction of Excessive Authentication Attempts weakness

References