CVE-2025-6037

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 v3 6.8 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://discuss.hashicorp.com/t/hcsec-2025-18-vault-certificate-auth-method-did-not-validate-common-name-for-non-ca-certificates/76037	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:hashicorp:vault:::::enterprise:::*
	cpe:2.3:a:hashicorp:vault:::::-:::*
	cpe:2.3:a:hashicorp:vault:::::enterprise:::*
	cpe:2.3:a:hashicorp:vault:::::enterprise:::*
	cpe:2.3:a:hashicorp:vault:1.20.0::::enterprise:::

History

No history.

Information

Published : 2025-08-01 18:15

Updated : 2025-08-13 18:09

NVD link : CVE-2025-6037

Mitre link : CVE-2025-6037

CVE.ORG link : CVE-2025-6037

JSON object : View

Products Affected

hashicorp

vault

CWE

CWE-295

Improper Certificate Validation

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