This script is Copyright (C) 2012-2014 Tenable Network Security, Inc.
The remote device is missing a vendor-supplied security patch.
The remote device contains a flaw in the way GRE packets are handled.
By sending a specially crafted GRE packet, an attacker can take
advantage of this flaw to potentially bypass access-control lists.
See also :
Apply the relevant patch referenced in Cisco Security Advisory
Risk factor :
Low / CVSS Base Score : 2.6