This script is (C) 2012 Tenable Network Security, Inc.
The remote device is missing a vendor-supplied security patch.
The version of Cisco IOS installed on the remote host has a denial of
service vulnerability in the SSH server implementation. Attempting a
reverse SSH login with a specially crafted username can cause the
device to reload. A remote, unauthenticated attacker could exploit
this to cause a denial of service.
See also :
Apply the relevant patch referenced in Cisco Security Advisory
Risk factor :
High / CVSS Base Score : 7.8
CVSS Temporal Score : 6.4
Public Exploit Available : true