Authenticated mail users, under specific circumstances, could add files with unsanitized content in public folders where the IIS user had permission to access. That action, could lead an attacker to store arbitrary code on that files and execute RCE commands.

MailEnable before 8.60 allows Stored XSS via malformed use of "<img/src" with no ">" character in the body of an e-mail message.

MailEnable before 8.60 allows Privilege Escalation because admin accounts could be created as a consequence of %0A mishandling in AUTH.TAB after a password-change request.

MailEnable before 8.60 allows Directory Traversal for reading the messages of other users, uploading files, and deleting files because "/../" and "/.. /" are mishandled.

Stack overflow in the IMAP module (MEIMAPS.EXE) in MailEnable Professional 1.6 through 1.83 and 2.0 through 2.33, and MailEnable Enterprise 1.1 through 1.40 and 2.0 through 2.33, allows remote authenticated users to cause a denial of service (crash) via a long argument containing * (asterisk) and ? (question mark) characters to the DELETE command, as addressed by the ME-10020 hotfix.