LDAP Authentication Flaw in HashiCorp Vault and Vault Enterprise
CVE-2025-6013

6.5MEDIUM

Key Information:

Vendor

Hashicorp
Status
Vault
Vault Enterprise
Vendor
CVE Published:
6 August 2025

What is CVE-2025-6013?

The LDAP authentication method in Vault and Vault Enterprise may allow for an MFA enforcement bypass when the 'username_as_alias' feature is enabled. This issue arises particularly when user accounts contain multiple common names (CNs) that only differ by leading or trailing whitespace. As a result, users may not be prompted for multi-factor authentication as expected, potentially exposing sensitive resources. The issue has been addressed in recent updates to the respective versions of Vault.

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Affected Version(s)

Vault 64 bit 1.10.0 < 1.20.2

Vault Enterprise 64 bit 1.10.0 < 1.20.2

References

https://discuss.hashicorp.com/t/hcsec-2025-20-vault-ldap-...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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