Which versions of Wazuh are affected by CVE-2025-54866?

CVE-2025-54866 is a low-severity vulnerability in Wazuh involving incorrect permissions (CVSS 1.8).. A patch is available.

Is there a public PoC exploit available for CVE-2025-54866?

Yes, a public proof-of-concept exploit is available for CVE-2025-54866. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-54866?

During next maintenance window: Apply vendor patches when convenient. Verify incorrect permissions controls are in place.

Wazuh CVE-2025-54866

Q: What is the CVSS score of CVE-2025-54866?

CVE-2025-54866 has a CVSS 4.0 base score of 1.8 (Low). CVSS vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

LOW

Incorrect Default Permissions (CWE-276)

2025-11-21 security-advisories@github.com

Privilege Escalation Wazuh

1.8

CVSS 4.0

CVSS VectorNVD

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:23 vuln.today

Patch released

Mar 28, 2026 - 19:23 nvd

Patch available

PoC Detected

Dec 02, 2025 - 16:39 vuln.today

Public exploit code

CVE Published

Nov 21, 2025 - 19:15 nvd

LOW 1.8

DescriptionNVD

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.

AnalysisAI

Wazuh is a free and open source platform used for threat prevention, detection, and response. Rated low severity (CVSS 1.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Incorrect Default Permissions (CWE-276), which allows attackers to access resources due to overly permissive default settings. 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. Affected products include: Wazuh. Version information: version 4.3.0.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Set restrictive default permissions, follow principle of least privilege, review defaults during deployment.

CVE-2025-54866 vulnerability details – vuln.today

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