Inclusion of Sensitive Information in Log Files in Vault and Vault Enterprise - CVE-2025-4166
Published: May 5, 2025
Vulnerability identifier: #VU108657
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-4166
CWE-ID: CWE-532
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: HashiCorp
Affected software:
Vault
Vault Enterprise
Vault
Vault Enterprise
Detailed vulnerability description
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to software stores sensitive information into log files when processing malformed data with the KVv2 plugin. A local user can read the log files and gain access to sensitive data.
How to mitigate CVE-2025-4166
Install updates from vendor's website.