CVE-2020-28911
Incorrect Access Control in Nagios Fusion 4.1.8 and earlier allows low-privileged authenticated users to extract passwords used to manage fused servers via the test_server command in ajaxhelper.php.
Date published : 2021-05-24
https://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/