Hashicorp Vault has Lockout Feature Authentication Bypass
Research is free — Hunters explains how the bug works, the root-cause code pattern, how the fix addresses it, and how to test whether a target is affected, in chat. Investigate & write exploit is a paid run — the engine reads the advisory and fix commits, then builds and validates a working proof-of-concept exploit with reproduction steps.
Affected versions
1.13.0 → fixed in 1.20.1
Details
Vault and Vault Enterprise’s (“Vault”) user lockout feature could be bypassed for Userpass and LDAP authentication methods. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.
The fix
No fix commit could be resolved for this advisory (it may reference an issue tracker or a non-GitHub patch). See the references below.