CVE-2007-0961: Cisco ASA 5500

High severity, CVSS 7.8. EPSS: 3.3% chance of exploitation in the next 30 days.

Cisco PIX 500 and ASA 5500 Series Security Appliances 6.x before 6.3(5.115), 7.0 before 7.0(5.2), and 7.1 before 7.1(2.5), and the FWSM 3.x before 3.1(3.24), when the "inspect sip" option is enabled, allows remote attackers to cause a denial of service (device reboot) via malformed SIP packets.

Affected products

• Cisco ASA 5500: version 6.3 only; version 7.0 only; version 7.1 only; version 7.2 only
• Cisco Pix Firewall Software: version 6.3 only; version 7.0 only; version 7.1 only; version 7.2 only

Published 2007-02-16. Last modified 2026-06-16.