Vault LDAP MFA Enforcement Bypass When Using Username As Alias

CVE Details

Basic Information

Title Vault LDAP MFA Enforcement Bypass When Using Username As Alias
Type cve
Published 2025-08-06T10:06:55.668Z
Modified 2025-08-06T10:06:55.668Z

Product Information

Vendor HashiCorp
Product Vault
Version 1.10.0

CVSS Information

Base Score 6.5 (MEDIUM)
Attack Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

AI Analysis

AI Description A vulnerability in Vault’s LDAP authentication allows bypassing MFA under certain conditions, potentially allowing unauthorized access.
AI Severity High
AI Vendor HashiCorp
AI Product Vault
AI Version 1.10.0

Affected Products

  • HashiCorp Vault 1.10.0
  • HashiCorp Vault Enterprise 1.10.0

Additional Information

CWE List CWE-156
Source HashiCorp

Description

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.

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