CVE-2006-2346
vpopmail 5.4.14 and 5.4.15, with cleartext passwords enabled, allows remote attackers to authenticate to an account that does not have a cleartext password set by using a blank password to (1) SMTP AUTH or (2) APOP.
Date published : 2006-05-12
http://www.securityfocus.com/bid/17894
http://sourceforge.net/project/shownotes.php?release_id=415350