This indicates an attack attempt against an XML external entity (XXE) processing vulnerability in Trend Micro Control Manager.
The vulnerability is due to insufficient input validation in the application when handling a crafted HTTP request. A remote attacker may be able to read arbitrary files in the targeted system via a crafted request.
Trend Micro Control Manager 6.0
Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.
Apply the latest update from the vendor.