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.
History

Mon, 04 Aug 2025 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Mon, 04 Aug 2025 09:30:00 +0000

Type Values Removed Values Added
First Time appeared Hashicorp
Hashicorp vault
Hashicorp vault Enterprise
Vendors & Products Hashicorp
Hashicorp vault
Hashicorp vault Enterprise

Fri, 01 Aug 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 01 Aug 2025 18:00:00 +0000

Type Values Removed Values Added
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.
Title Vault Certificate Auth Method Did Not Validate Common Name For Non-CA Certificates
Weaknesses CWE-295
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: HashiCorp

Published: 2025-08-01T17:52:48.778Z

Updated: 2025-08-02T03:55:53.155Z

Reserved: 2025-06-12T18:21:50.999Z

Link: CVE-2025-6037

cve-icon Vulnrichment

Updated: 2025-08-01T18:04:06.710Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-08-01T18:15:57.300

Modified: 2025-08-04T15:06:15.833

Link: CVE-2025-6037

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-08-01T17:52:48Z

Links: CVE-2025-6037 - Bugzilla