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Security Advisories

CVE-2025-6037

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-6037

Severity

6.8

Medium

CVSS V3

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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.

References

  • https://nvd.nist.gov/vuln/detail/CVE-2025-6037
  • https://github.com/advisories/GHSA-6c5r-4wfc-3mcx
  • https://pkg.go.dev/vuln/GO-2025-3836
  • https://discuss.hashicorp.com/t/hcsec-2025-18-vault-certificate-auth-method-did-not-validate-common-name-for-non-ca-certificates/76037

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