ZoneMinder is a free, open source Closed-circuit television software application for Linux which supports IP, USB and Analog cameras. Versions prior to 1.36.33 and 1.37.33 contain an OS Command Injection via daemonControl() in (/web/api/app/Controller/HostController.php). Any authenticated user can construct an api command to execute any shell command as the web user. This issue is patched in versions 1.36.33 and 1.37.33.