This script is Copyright (C) 2011-2016 Tenable Network Security, Inc.
The FTPS server on the remote host falls back to cleartext
communication if SSL negotiations fail.
The remote FTPS server running on the remote host is affected by a
security bypass vulnerability due to accepting unencrypted commands if
SSL negotiations fail. A man-in-the-middle attacker can exploit this
to intercept credentials and modify files.
See also :
If using Serv-U, upgrade to version 188.8.131.52 or later. Otherwise,
contact the vendor for a patch.
Risk factor :
Medium / CVSS Base Score : 5.8
CVSS Temporal Score : 4.8
Public Exploit Available : true
Nessus Plugin ID: 57272 ()
Bugtraq ID: 50881
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