Research · Feb 10, 2025 · ZeroDay Catalog
Critical Vulnerability in Wazuh Server Allows Remote Code Execution
A serious deserialization vulnerability in Wazuh Server could allow remote code execution, affecting multiple installations and configurations.
What changed
Wazuh Server has been identified with a deserialization of untrusted data vulnerability that poses significant risks. This flaw exists in versions 4.4.0 to 4.9.1, enabling remote code execution if exploited.
- The vulnerability arises from unsafe deserialization of JSON parameters in DistributedAPI.
- Attackers can inject unsanitized data, leading to arbitrary code execution.
- This issue can be triggered by anyone with API access, including compromised servers.
Who is affected
Organizations utilizing Wazuh Server versions between 4.4.0 and 4.9.1 are at risk. This includes various sectors relying on threat detection and response capabilities.
- Wazuh Server users across multiple industries.
- Organizations with compromised dashboards or servers in their Wazuh clusters.
- Any entity using the affected versions without proper security measures.
What to do
Immediate action is required to mitigate the risks associated with this vulnerability. Users should prioritize updating to the latest version of Wazuh Server to ensure protection against potential exploits.
- Upgrade Wazuh Server to version 4.9.1 or later to eliminate the vulnerability.
- Review API access controls to limit exposure to potential attackers.
- Monitor for any suspicious activity that may indicate exploitation attempts.