This script is Copyright (C) 2000-2016 Tenable Network Security, Inc.
The remote FTP server is affected by a remote denial of service
It is possible to crash the remote FTP service by sending it a large
number of null bytes. An attacker could exploit this flaw to deny
access to the FTP server.
See also :
Upgrade to FTP Serv-U 2.5f or later.
Risk factor :
Medium / CVSS Base Score : 5.0