This indicates an attack attempt against a Buffer Overflow vulnerability in HP LeftHand Virtual SAN Appliance.
The vulnerability is caused by an invalidation input error when handling a malicious Diag request. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted request.
HP LeftHand Virtual SAN Appliance prior to 10.0
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.