This indicates an attack attempt against a Privilege Elevation vulnerability in ManageEngine Desktop Central.
The vulnerability is caused by an error when creating an administrator account without authentication through a HTTP request. It allows a remote attacker to gain control of the system via a crafted HTTP request.
ManageEngine Desktop Central version before version 9.0 build 90109
Privilege Escalation: Remote attackers can elevate their privileges on vulnerable systems.
Currently we are unaware of any vendor supplied patch or updates available for this issue.