CVE-2020-28901: Nagios Fusion

Critical severity, CVSS 9.8. EPSS: 11.9% chance of exploitation in the next 30 days.

Command Injection in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation or Code Execution as root via vectors related to corrupt component installation in cmd_subsys.php.

Affected products

• Nagios Fusion: up to and including 4.1.8

Published 2021-05-24. Last modified 2026-06-17.