Resource management error in Vault Enterprise and Vault - CVE-2025-4656

 

Resource management error in Vault Enterprise and Vault - CVE-2025-4656

Published: June 25, 2025


Vulnerability identifier: #VU111942
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-4656
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to uncontrolled cancellation by a Vault operator in rekey and recovery key operations. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


Affected software

Vault Enterprise
Vault

How to mitigate CVE-2025-4656

Install updates from vendor's website.

Vault Enterprise - addressed in versions 1.16.22, 1.17.17, 1.18.11, 1.19.6, 1.20.0
Vault - update to 1.20.0

External References

Related Security Bulletins