Trend Micro ServerProtect for Linux 3.0 before CP 1531 allows attackers to eavesdrop and tamper with updates by leveraging unencrypted communications with update servers.
https://www.coresecurity.com/advisories/trend-micro-serverprotect-multiple-vulnerabilities
https://success.trendmicro.com/solution/1117411
http://www.securitytracker.com/id/1038548
http://seclists.org/fulldisclosure/2017/May/91
http://packetstormsecurity.com/files/142645/Trend-Micro-ServerProtect-Disclosure-CSRF-XSS.html