Improper Authentication in Vault Enterprise and Vault - CVE-2025-6015
Published: August 6, 2025
Vulnerability identifier: #VU113691
CSH Severity: Low
CVSS v4: 2.3 [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]
CVE-ID: CVE-2025-6015
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Vault Enterprise
Vault
Vault
How to mitigate CVE-2025-6015
Install updates from vendor's website.
Vault Enterprise - addressed in versions 1.16.23, 1.18.12, 1.19.7, 1.20.1
Vault - update to 1.20.1
Vault - update to 1.20.1