op5config/welcome in system-op5config before 2.0.3 in op5 Monitor and op5 Appliance before 5.5.3 allows remote attackers to execute arbitrary commands via shell metacharacters in the password parameter.
license.php in system-portal before 1.6.2 in op5 Monitor and op5 Appliance before 5.5.3 allows remote attackers to execute arbitrary commands via shell metacharacters in the timestamp parameter for an install action.