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.
Published:Aug 1, 2025
Last Modified:Feb 26, 2026
EPS:Aug 1, 2025
EPSS Score:0.00047
CVSS Score:6.8
Affected Products
Vendor
Product
Action
Vendor
Hashicorp
Product
Vault
Hashicorp
Vault
Vendor
Hashicorp
Product
Vault Enterprise
Hashicorp
Vault Enterprise
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
