Improper Restriction of Excessive Authentication Attempts in Nextcloud Enterprise Server and Nextcloud Server - CVE-2023-32320
Published: June 23, 2023
Vulnerability identifier: #VU77660
CSH Severity: High
CVSS v4: 9.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-32320
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. A remote user can brute-force authentication on the system.
Affected software
Nextcloud Enterprise Server
Nextcloud Server
Nextcloud Server
How to mitigate CVE-2023-32320
Install updates from vendor's website.
Nextcloud Enterprise Server - addressed in versions 21.0.9.12, 22.2.10.12, 23.0.12.7, 24.0.12.2, 25.0.7, 26.0.2
Nextcloud Server - addressed in versions 25.0.7, 26.0.2
Nextcloud Server - addressed in versions 25.0.7, 26.0.2