Improper Authentication in Vault and Vault Enterprise - CVE-2025-6015

 

Improper Authentication in Vault and Vault Enterprise - CVE-2025-6015

Published: August 6, 2025


Vulnerability identifier: #VU113691
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-6015
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 2FA authentication.

The vulnerability exists due to the application does not properly normalize TOTP codes prior to enforcing the once-per-validity-window check. A remote attacker with knowledge of victim;s credentials can resubmit a previously used code during the MFA check and bypass MFA authentication.


How to mitigate CVE-2025-6015

Install updates from vendor's website.

Sources