What’s Vulnerable › Vulnerabilities

CVE-2021-44079

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-11-22 · updated 2026-06-17
• Weakness: CWE-77

Description

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: from 4.2.0 before 4.2.5 — fixed in 4.2.5

How to fix

Upgrade to a fixed version: wazuh 4.2.5. Check the vendor advisory for mitigations.

References

• https://github.com/wazuh/wazuh/issues/10858
• https://github.com/wazuh/wazuh/issues/10858#issuecomment-991118254
• https://github.com/wazuh/wazuh/pull/10809
• https://github.com/wazuh/wazuh/issues/10858
• https://github.com/wazuh/wazuh/issues/10858#issuecomment-991118254
• https://github.com/wazuh/wazuh/pull/10809

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