Main Vulnerability Database Vulnerabilities #VU74117

Improper Restriction of Excessive Authentication Attempts in Nextcloud Enterprise Server and Nextcloud Server - CVE-2023-25818

Published: March 28, 2023

Vulnerability identifier: #VU74117

CSH Severity: Medium

CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-25818

CWE-ID: CWE-307

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to missing brute force protection on password reset token. A remote attacker can reset the password of another user.

Affected software

Nextcloud Enterprise Server
Nextcloud Server

How to mitigate CVE-2023-25818

Install updates from vendor's website.

Nextcloud Enterprise Server - addressed in versions 21.0.9.10, 22.2.10.10, 23.0.12.5, 24.0.10, 25.0.4
Nextcloud Server - addressed in versions 24.0.10, 25.0.4

External References

Related Security Bulletins