Affected: Trend Micro Apex One, Trend Micro OfficeScan (OSCE), Trend Micro Worry-Free Business Security (WFBS)

A directory traversal vulnerability in Trend Micro Apex One, OfficeScan (11.0, XG) and Worry-Free Business Security (9.5, 10.0) may allow an attacker to bypass authentication and log on to an affected product's management console as a root user. The vulnerability does not require authentication.