Trend Micro VPN, version 5.8.1012 and below is vulnerable to an arbitrary file overwrite under specific conditions that can lead to elevation of privileges.

Trend Micro VPN Proxy One Pro, version 5.8.1012 and below is vulnerable to an arbitrary file overwrite or create attack but is limited to local Denial of Service (DoS) and under specific conditions can lead to elevation of privileges.

Trend Micro VPN Proxy Pro version 5.2.1026 and below contains a vulnerability involving some overly permissive folders in a key directory which could allow a local attacker to obtain privilege escalation on an affected system.