Vault Certificate Auth Method Did Not Validate Common Name For Non-CA Certificates

CVE Details

Basic Information

Title Vault Certificate Auth Method Did Not Validate Common Name For Non-CA Certificates
Type cve
Published 2025-08-01T17:52:48.778Z
Modified 2025-08-01T18:04:17.877Z

Product Information

Vendor HashiCorp
Product Vault
Version 0

CVSS Information

Base Score 6.8 (MEDIUM)
Attack Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Affected Products

  • HashiCorp Vault 0
  • HashiCorp Vault Enterprise 0

Additional Information

CWE List CWE-295
Source HashiCorp

Description

Vault and Vault Enterprise (“Vault”) TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as [+trusted certificate+|https://developer.hashicorp.com/vault/api-docs/auth/cert#certificate]. In this configuration, an attacker may be able to craft a malicious certificate that could be used to impersonate another user. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.

💭 Join the Security Discussion

🔒 Your email address will not be published. Required fields are marked *

⚠️ Please be respectful and constructive in your comments. Security discussions should remain professional.