CVE-2013-6979
The VTY authentication implementation in Cisco IOS XE 03.02.xxSE and 03.03.xxSE incorrectly relies on the Linux-IOS internal-network configuration, which allows remote attackers to bypass authentication by leveraging access to a 192.168.x.2 source IP address, aka Bug ID CSCuj90227.
Date published : 2013-12-23
http://www.securityfocus.com/bid/64502
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6979