Cisco Content Switching Modules (CSM) 4.2 before 4.2.3a, and Cisco Content Switching Module with SSL (CSM-S) 2.1 before 2.1.2a, allow remote attackers to cause a denial of service (CPU consumption or reboot) via sets of out-of-order TCP packets with unspecified characteristics, aka CSCsd27478.
https://exchange.xforce.ibmcloud.com/vulnerabilities/36450
http://www.vupen.com/english/advisories/2007/3062
http://www.securityfocus.com/bid/25547
http://www.cisco.com/warp/public/707/cisco-sa-20070905-csm.shtml
http://securitytracker.com/id?1018654