Vulnerability in Wazuh
CVE-2025-54866
Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.3.0 to before 4.13.0, a missing ACL on "C:\Program Files (x86)\ossec-agent\authd.pass" exposes the password to all "Authenticated Users" on the local machine. This issue has been patched in version 4.13.0.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (5.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Wazuh — versions >= 4.3.0, < 4.13.0
Weakness classification (CWE)
References
- github.com/wazuh/wazuh/security/advisories/GHSA-mvfx-ph7m-qm37 (Exploit, Vendor Advisory)
- github.com/wazuh/wazuh/pull/31187 (Patch, Issue Tracking)
- github.com/wazuh/wazuh/commit/606f19e688944ebe5d28d72eb81ac36f8fffb143 (Patch)
- github.com/wazuh/wazuh/releases/tag/v4.13.0 (Release Notes)
Frequently asked questions
- What is CVE-2025-54866?
- CVE-2025-54866 is a medium-severity vulnerability in Wazuh, classified under Incorrect Default Permissions. CVSS score: 5.5/10. Published 2025-11-21.
- How severe is CVE-2025-54866?
- Medium severity. CVSS v3 base score is 5.5 out of 10.