CVE-2012-5032 Information

Description

The Flex-VPN load-balancing feature in the ipsec-ikev2 implementation in Cisco IOS before 15.1(1)SY3 does not require authentication which allows remote attackers to trigger the forwarding of VPN traffic to an attacker-controlled destination or the discarding of this traffic by arranging for an arbitrary device to become a cluster member aka Bug ID CSCub93641.

Reference

http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/15-1SY/release_notes.pdf