Improper Restriction of Excessive Authentication Attempts
CVE-2025-54998
Summary
OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. An attackers could bypass the automatic user lockout mechanisms in the OpenBao Userpass or LDAP auth systems. This was caused by different aliasing between pre-flight and full login request user entity alias attributions. To work around this issue, existing users may apply rate-limiting quotas on the authentication endpoints:, see "https://openbao.org/api-docs/system/rate-limit-quotas/". This issue affects github.com/openbao/openbao versions prior to 2.3.2.
- LOW
- NETWORK
- LOW
- UNCHANGED
- NONE
- NONE
- NONE
- NONE
CWE-307 - Improper Restriction of Excessive Authentication Attempts
The software does not implement sufficient measures to prevent multiple failed authentication attempts within in a short time frame, making it more susceptible to brute force attacks.
References
Advisory Timeline
- Published