Deserialization in Wazuh

CVE-2025-24016

Wazuh is a free and open source platform used for threat prevention, detection, and response. Starting in version 4.4.0 and prior to version 4.9.1, an unsafe deserialization vulnerability allows for remote code execution on Wazuh servers…

Vulnerability class: Insecure Deserialization

EPSS: 0.935 (99.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H.

Affected products

  • Wazuh — versions >= 4.4.0, < 4.9.1

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-24016?
CVE-2025-24016 is a critical-severity vulnerability in Wazuh, classified under Deserialization of Untrusted Data. CVSS score: 9.9/10. Published 2025-02-10.
How severe is CVE-2025-24016?
Critical severity. CVSS v3 base score is 9.9 out of 10.
Is CVE-2025-24016 known to be exploited?
Yes. CVE-2025-24016 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-06-10), indicating it is being actively exploited. 26 public proof-of-concept repositories are indexed.