This indicates an attack attempt against a Buffer Overflow vulnerability in HP LeftHand Virtual SAN Appliance.
The vulnerability is caused by an input validation error in parameters of an SNMP request. It allows a remote attacker to execute arbitrary code via a crafted SNMP request.
HP LeftHand Virtual SAN Appliance prior to 10.0
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply patch, available from the website.