CVE-2021-44079: Wazuh

Critical severity, CVSS 9.8. EPSS: 3.4% chance of exploitation in the next 30 days.

In the wazuh-slack active response script in Wazuh 4.2.x before 4.2.5, untrusted user agents are passed to a curl command line, potentially resulting in remote code execution.

Affected products

• Wazuh Wazuh: from 4.2.0, before 4.2.5 (fixed in 4.2.5)

Published 2021-11-22. Last modified 2026-06-17.