Trend Micro ScanMail for Exchange (SMEX) before 3.81 and before 6.1 might install a back door account in smg_Smxcfg30.exe, which allows remote attackers to gain access to the web management interface via the vcc parameter, possibly "3560121183d3".
Exploit prediction scoring system (EPSS) score
EPSS Score 0.028
EPSS Ranking 85.3%