Ipswitch IMail 5.0 and 6.0 uses weak encryption to store passwords in registry keys, which allows local attackers to read passwords for e-mail accounts.
WS_FTP Pro 6.0 uses weak encryption for passwords in its initialization files, which allows remote attackers to easily decrypt the passwords and gain privileges.
Buffer overflow in Ipswitch IMail Service 5.0 allows an attacker to cause a denial of service (crash) and possibly execute arbitrary commands via a long URL.
Buffer overflow in IMonitor in IMail 5.0 allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long string to port 8181.