This indicates an attack attempt to exploit an OS Command Execution vulnerability in Red Hat JBoss Data Grid.
The vulnerability is due to an error in the vulnerable application when handling a maliciously crafted request. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted request.
Red Hat JBoss Data Grid prior to 7.1.2
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor: