CVE-2025-6037
Vault Certificate Auth Method Did Not Validate Common Name For Non-CA Certificates
6.8
MEDIUM
CVSS 3.1
EPSS 0.20%
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.
How to fix CVE-2025-6037
To remediate CVE-2025-6037, upgrade the affected package to a fixed version below.
- —upgrade to 1.20.1 or later
- —upgrade to 1.20.1 or later
- —upgrade to 1.20.1 or later
Is CVE-2025-6037 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.20.1
- from 0, < 1.20.1
- from 0, < 1.20.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H |