This indicates an attack attempt against a Code Execution vulnerability in OrientDB server.
The vulnerability is caused by a lack of privilege enforcement when a targeted system handles query with "where","fetch plan" and "order by". A remote attacker may be able to exploit this to execute arbitrary code on vulnerable systems via a crafted query.
OrientDB 2.2.22 and the prior
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrades or patches from the vendor.