CVE-2025-6013: HashiCorp Vault ldap auth method may not have correctly enforced MFA

August 6, 2025

Vault and Vault Enterprise’s (“Vault”) ldap auth method may not have correctly enforced MFA if username_as_alias was set to true and a user had multiple CNs that are equal but with leading or trailing spaces. Fixed in Vault Community Edition 1.20.2 and Vault Enterprise 1.20.2, 1.19.8, 1.18.13, and 1.16.24.

References

discuss.hashicorp.com/t/hcsec-2025-20-vault-ldap-mfa-enforcement-bypass-when-using-username-as-alias/76092
github.com/advisories/GHSA-7rx2-769v-hrwf
github.com/hashicorp/vault
nvd.nist.gov/vuln/detail/CVE-2025-6013

Code Behaviors & Features

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