Trend Micro Apex One (2019), OfficeScan XG and Worry-Free Business Security (9.0, 9.5, 10.0) server contains a vulnerable service DLL file that could allow a remote attacker to execute arbitrary code on affected installations with SYSTEM level privileges. Authentication is not required to exploit this vulnerability.
https://www.tenable.com/cyber-exposure/2020-threat-landscape-retrospective
https://success.trendmicro.com/solution/000245572
https://success.trendmicro.com/solution/000245571