For a detailed advisory, download the pdf file here.Nagios fusion is an open-source IT monitoring application that could be exploited by a threat actor to hijack the complete infrastructure. 13 vulnerabilities have been reported in all its version up to 4.1.8.
Vulnerability Details

Patch Links
https://www.nagios.com/downloads/nagios-xi/change-log/
References
https://securityaffairs.co/wordpress/118207/hacking/nagios-it-monitoring-flaws.html
