CVE-2010-4688: Cisco 5500 Series Adaptive Security Appliance

High severity, CVSS 7.8. EPSS: 2.6% chance of exploitation in the next 30 days.

Unspecified vulnerability in the SIP inspection feature on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software before 8.3(2) allows remote attackers to cause a denial of service (device crash) by making many SIP calls, aka Bug ID CSCte20030.

Affected products

• Cisco 5500 Series Adaptive Security Appliance
• Cisco Adaptive Security Appliance Software: up to and including 8.3\(1\); version 7.0 only; version 7.0(0) only; version 7.0(2) only; version 7.0(4) only; version 7.0(5) only; …
• Cisco ASA 5500

Published 2011-01-07. Last modified 2026-06-16.