CVE-2025-6037 — MEDIUM (6.8)

Q: How severe is CVE-2025-6037?

CVE-2025-6037 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-6037?

Check the references section above for vendor advisories and patch information. Affected products include: Hashicorp Vault.

Vulnerability 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.

CVSS Score

6.8

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Hashicorp	Vault	< 1.16.23

Related Weaknesses (CWE)

CWE-295

References

https://discuss.hashicorp.com/t/hcsec-2025-18-vault-certificate-auth-method-did-Vendor Advisory

FAQ

What is CVE-2025-6037?

CVE-2025-6037 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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.ha...

How severe is CVE-2025-6037?

CVE-2025-6037 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-6037?

Check the references section above for vendor advisories and patch information. Affected products include: Hashicorp Vault.