CVE-2025-6037CWE-295

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

Medium · published August 1, 2025

CVSS v3.1
6.8
EPSS
0%
Percentile
16.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00257 · 16.4th percentile
Weakness
CWE-295 · Improper Certificate Validation
Published
2025-08-01T17:52Z
EPSS history
Timeline
  • 01 AUG 17:52Z
    Vault Certificate Auth Method Did Not Validate Common Name For Non-CA Certificates
    cvelistv5