CVE-2009-4920
Unspecified vulnerability in CTM on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software 8.1(2) allows remote attackers to cause a denial of service (watchdog traceback) via a large amount of small-packet data, aka Bug ID CSCsu11412.
Date published : 2010-06-29
http://www.cisco.com/en/US/docs/security/asa/asa81/release/notes/asarn812.html