CVE-2012-4651

Cisco IOS before 15.3(2)T, when scansafe is enabled, allows remote attackers to cause a denial of service (latency) via SYN packets that are not accompanied by SYN-ACK packets from the Scan Safe Tower, aka Bug ID CSCub85451.

Date published : 2014-04-23

http://www.cisco.com/c/en/us/td/docs/ios/15_3m_and_t/release/notes/15_3m_and_t.pdf