CVE-2006-6964 (MailEnable Professional before 1.78 provides a cleartext user password when an administrator edits the user's settings, which allows remote authenticated administrators to obtain sensitive information by viewing the HTML source.)
CVE-2006-1792 (Unspecified vulnerability in the POP service in MailEnable Standard Edition before 1.94, Professional Edition before 1.74, and Enterprise Edition before 1.22 has unknown attack vectors and impact related to "authentication exploits". NOTE: this is a different set of affected versions, and probably a different vulnerability than CVE-2006-1337.)
CVE-2006-1337 (Buffer overflow in the POP 3 (POP3) service in MailEnable Standard Edition before 1.93, Professional Edition before 1.73, and Enterprise Edition before 1.21 allows remote attackers to execute arbitrary code via unknown vectors before authentication.)