The "NagVis" component within Checkmk is vulnerable to remote code execution. An authenticated attacker with administrative level privileges is able to upload a malicious PHP file and modify specific settings to execute the contents of the file as PHP.
- http://www.openwall.com/lists/oss-security/2025/02/04/4
- https://korelogic.com/Resources/Advisories/KL-001-2025-002.txt
- https://github.com/w4zu/Debian_security