CVE-2009-4911
Unspecified vulnerability on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) allows remote attackers to cause a denial of service (device crash) via vectors involving SSL VPN and PPPoE transactions, aka Bug ID CSCsm77958.
Date published : 2010-06-29
http://www.cisco.com/en/US/docs/security/asa/asa81/release/notes/asarn812.html