Bug 2386013 (CVE-2025-6037) - CVE-2025-6037 github.com/hashicorp/vault: Vault TLS Certificate Authentication Impersonation Vulnerability
Summary: CVE-2025-6037 github.com/hashicorp/vault: Vault TLS Certificate Authenticatio...
Keywords:
Status: NEW
Alias: CVE-2025-6037
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-08-01 18:01 UTC by OSIDB Bzimport
Modified: 2025-08-04 12:35 UTC (History)
7 users (show)

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Description OSIDB Bzimport 2025-08-01 18:01:49 UTC 
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.
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