CVE-2020-28909: Nagios Fusion

High severity, CVSS 8.8. EPSS: 6.7% chance of exploitation in the next 30 days.

Incorrect File Permissions in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to root via modification of scripts. Low-privileges users are able to modify files that can be executed by sudo.

Affected products

• Nagios Fusion: up to and including 4.1.8

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