Update description and add link to SIET

Author: jhart-r7

modules/auxiliary/scanner/misc/cisco_smart_install.rb

@@ -15,15 +15,18 @@ def initialize(info = {})
         'Name'           => 'Identify Cisco Smart Install endpoints',
         'Description'    => %q(
           This module attempts to connect to the specified Cisco Smart Install port
-          and determines if it speaks the Smart Install Protocol.
+          and determines if it speaks the Smart Install Protocol.  Exposure of SMI
+          to untrusted networks can allow complete compromise of the switch.
         ),
         'Author'         => 'Jon Hart <jon_hart[at]rapid7.com>',
         'References'     =>
           [
             ['URL', 'https://blog.talosintelligence.com/2017/02/cisco-coverage-for-smart-install-client.html'],
             ['URL', 'https://blogs.cisco.com/security/cisco-psirt-mitigating-and-detecting-potential-abuse-of-cisco-smart-install-feature'],
             ['URL', 'https://tools.cisco.com/security/center/content/CiscoSecurityResponse/cisco-sr-20170214-smi'],
-            ['URL', 'https://github.com/Cisco-Talos/smi_check']
+            ['URL', 'https://github.com/Cisco-Talos/smi_check'],
+            ['URL', 'https://github.com/Sab0tag3d/SIET']
+
           ],
         'License'        => MSF_LICENSE
       )