CVE-2010-4678: Cisco 5500 Series Adaptive Security Appliance

High severity, CVSS 7.5. EPSS: 2.3% chance of exploitation in the next 30 days.

Cisco Adaptive Security Appliances (ASA) 5500 series devices with software before 8.2(3) permit packets to pass before the configuration has been loaded, which might allow remote attackers to bypass intended access restrictions by sending network traffic during device startup, aka Bug ID CSCsy86769.

Affected products

• Cisco 5500 Series Adaptive Security Appliance
• Cisco Adaptive Security Appliance Software: up to and including 8.2\(2\); 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.