CVE-2002-2393
Serv-U FTP server 3.0, 3.1 and 4.0.0.4 does not accept new connections while validating user folder access rights, which allows remote attackers to cause a denial of service (no new connections) via a series of MKD commands.
Date published : 2007-10-31
http://www.securityfocus.com/bid/6112
http://archives.neohapsis.com/archives/bugtraq/2002-11/0109.html