This indicates an attack attempt against a Code Execution vulnerability in op5 Monitor and op5 Appliance.
The vulnerability is due to insufficient sanitizing of user supplied inputs in the application. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application via a craft HTTP request.
op5 Monitor version 1.6.1 and prior
op5 Appliance version 5.5.1 and prior
op5 system-op5config version 2.0.2 and prior
System Compromise: Remote attacker can gain control of vulnerable systems.
Upgrade to the latest version from the vendor.