This script is Copyright (C) 2005-2013 Tenable Network Security, Inc.
The remote FreeBSD host is missing a security-related update.
A Debian Security Advisory reports :
Albert Puigsech Galicia discovered a directory traversal vulnerability
in a proprietary FTP client (CAN-2004-1376) which is also present in
gftp, a GTK+ FTP client. A malicious server could provide a specially
crafted filename that could cause arbitrary files to be overwritten or
created by the client.
See also :
Update the affected package.
Risk factor :
Medium / CVSS Base Score : 5.0
CVSS Temporal Score : 4.3
Public Exploit Available : true