CISA KEV · Known exploitedCritical

CVE-2025-24016

Wazuh Wazuh Server

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. DistributedAPI parameters are a serialized as JSON and deserialized using `as_wazuh_object` (in `framework/wazuh/core/cluster/common.py`). If an attacker manages to inject an unsanitized dictionary in DAPI request/response, they can forge an unhandled exception (`__unhandled_exc__`) to evaluate arbitrary python code. The vulnerability can be triggered by a...

CVSS: 9.9
EPSS: 93.8%
CISA KEV: Listed
Published: 2025.02.11

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability93.8%

Technical severityCVSS 9.9

Vulnerability overview

Affected product and versions

Product: Wazuh Wazuh Server
Affected versions: >= 4.4.0, < 4.9.1, >= 4.4.0 < 4.9.1
Fixed versions: 4.9.1

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA 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.

Due date: 2025.07.01

1
Identify
Confirm that Wazuh Wazuh Server and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H
CWE: CWE-502
KEV added: 2025.06.10
Ransomware use: 미확인