Remote command execution (RCE) vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to execute arbitrary commands on the target system, aka OS command injection.
https://gist.github.com/caleBot/f0a93b5a98574393e0139104eacc2d0f
https://www.exploit-db.com/exploits/44969/
https://www.exploit-db.com/exploits/44560/
https://www.nagios.com/downloads/nagios-xi/change-log/
https://blog.redactedsec.net/exploits/2018/04/26/nagios.html
https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT
Source: Mitre, NVD
Published: 2018-04-18
Updated: 2026-06-17
Base Score: 9
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C
Severity: High
Base Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.64172