Improper authentication in Vault and Vault Enterprise - CVE-2025-3879

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Main Vulnerability Database Vulnerabilities #VU108658

Improper authentication in Vault and Vault Enterprise - CVE-2025-3879

Published: May 5, 2025


Vulnerability identifier: #VU108658
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-3879
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: HashiCorp
Affected software:
Vault
Vault Enterprise

Detailed vulnerability description

The vulnerability allows a remote user to bypass authentication process.

The vulnerability exists due to an error in Azure Auth method that does not correctly validate the claims in the Azure-issued token. A remote user can bypass of the bound_locations parameter during login.


How to mitigate CVE-2025-3879

Install updates from vendor's website.

Sources