This script is Copyright (C) 2014 Tenable Network Security, Inc.
The remote FTP server is affected by a denial of service
According to its banner, the installed version of Serv-U is a version
prior to version 220.127.116.11. It is, therefore, affected by an
unspecified denial of service vulnerability.
See also :
Upgrade to Serv-U version 18.104.22.168 or later.
Risk factor :
Medium / CVSS Base Score : 5.0
CVSS Temporal Score : 4.3
Public Exploit Available : false