CVE-2025-55001 Information

Aug 10, 2025 cve

Description

OpenBao exists to provide a software solution to manage store and distribute sensitive data including secrets certificates and keys. In versions 2.3.1 and below OpenBao allowed the assignment of policies and MFA attribution based upon entity aliases chosen by the underlying auth method. When the username_as_alias=true parameter in the LDAP auth method was in use the caller-supplied username was used verbatim without normalization allowing an attacker to bypass alias-specific MFA requirements. This issue was fixed in version 2.3.2. To work around this remove all usage of the username_as_alias=true parameter and update any entity aliases accordingly.

Reference

https://discuss.hashicorp.com/t/hcsec-2025-20-vault-ldap-mfa-enforcement-bypass-when-using-username-as-alias/76092 https://github.com/openbao/openbao/commit/c52795c1ef746c7f2c510f9225aa8ccbbd44f9fc https://github.com/openbao/openbao/security/advisories/GHSA-2q8q-8fgw-9p6p

CNNVD-202508-813 (Published: 2025-08-09)

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