This indicates an attack attempt against a Information Disclosure vulnerability in HP LeftHand Virtual SAN Appliance.
The vulnerability is due to insufficient sanitizing of user supplied inputs in the application. A remote attacker can exploit this to gain unauthorized access to sensitive information.
HP LeftHand Virtual SAN Appliance prior to 10.0
Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.
Apply the most recent upgrade or patch from the vendor.