Improper Restriction of Excessive Authentication Attempts in OpenBao - CVE-2025-54998

 

Improper Restriction of Excessive Authentication Attempts in OpenBao - CVE-2025-54998

Published: October 28, 2025


Vulnerability identifier: #VU117699
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-54998
CWE-ID: CWE-307
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: OpenBao
Affected software:
OpenBao

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass automatic lockout mechanism.

The vulnerability exists due to an error in the OpenBao Userpass and LDAP auth systems. A remote user attacker can bypass automatic user lockout mechanism and perform brute-force attacks. 


How to mitigate CVE-2025-54998

Install updates from vendor's website.

Sources