CVE-2013-5548
The IKEv2 implementation in Cisco IOS, when AES-GCM or AES-GMAC is used, allows remote attackers to bypass certain IPsec anti-replay features via IPsec tunnel traffic, aka Bug ID CSCuj47795.
Date published : 2013-10-31
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5548