This script is Copyright (C) 2008-2017 Tenable Network Security, Inc.
An account on the remote host does not have a password.
The account 'r00t' on the remote host has no password. An attacker
may leverage this issue to gain access to the affected system and
launch further attacks against it.
Set a password for this account or disable it.
Risk factor :
Critical / CVSS Base Score : 10.0
CVSS Temporal Score : 8.6
Public Exploit Available : true