SARA / Free Tools / KEV / CVE-2025-24016

CVE-2025-24016 on CISA KEV

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 serialize

CISA KEV — Actively Exploited

Wazuh Server Deserialization of Untrusted Data Vulnerability

Vendor / Product
— / Wazuh / Wazuh Server
Added to KEV
2025-06-10
BOD 22-01 due
2025-07-01
Ransomware use
Unknown
CVSS / EPSS
9.9 CRITICAL · EPSS 93.40%

01What CISA says about this vulnerability

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…

02Required action — verbatim from CISA

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

03Notes & references

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

VendorProductVersions
wazuhwazuh>= 4.4.0, < 4.9.1

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

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