This script is Copyright (C) 2004-2011 Tenable Network Security, Inc.
The FTP server suffers from a directory traversal flaw.
Using 'cd ...', it is possible to get out of the FTP server root
directory and access any file on the remote machine.
Contact your vendor for a fix.
If you are using TYPSoft FTP Server, update to 0.99.13 or later.
Risk factor :
Medium / CVSS Base Score : 4.0
CVSS Temporal Score : 3.5
Public Exploit Available : true