This host is running pyftpdlib FTP server and is prone to multiple directory traversal vulnerabilities.
Successful exploitation will allow attacker to retrieve or upload arbitrary system files. Impact Level: Application/System
Upgrade to pyftpdlib version 0.5.2 or later, For updates refer to http://code.google.com/p/pyftpdlib/downloads/list
The flaws exist because pyftpdlib allow remote authenticated users to access arbitrary files and directories via vectors involving a symlink in a pathname to a CWD, DELE, STOR, or RETR command.
ftpserver.py in pyftpdlib before 0.3.0