CVE-2025-54866: wazuh Permission Flaw

Description

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.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-276 Incorrect Default Permissions

Affected Products

Vendor	Product	Versions
wazuh	wazuh	4.3.0 — 4.13.0

References

Advisories & Patches

https://github.com/wazuh/wazuh/commit/606f19e688944ebe5d28d72eb81ac36f8fffb143 https://github.com/wazuh/wazuh/pull/31187 https://github.com/wazuh/wazuh/security/advisories/GHSA-mvfx-ph7m-qm37

Exploits

https://github.com/wazuh/wazuh/security/advisories/GHSA-mvfx-ph7m-qm37

Other References

https://github.com/wazuh/wazuh/releases/tag/v4.13.0

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-54866? +

CVE-2025-54866 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-54866? +

CVE-2025-54866 affects products from wazuh, specifically: wazuh. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-54866? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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