CVE-2010-4674: Unspecified vulnerability on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.2...

Security readout for executives and security teams

This CVE describes a denial-of-service issue in Cisco ASA 5500 series firewalls running ASA software 8.2(4) and earlier. Multicast traffic could exhaust internal blocks and disrupt firewall availability. The sources do not provide CVSS, CWE, or confirmed exploit activity, so urgency depends on whether legacy ASA 5500 devices remain deployed. Exposure is most likely in organizations still operating Cisco ASA 5500 series appliances on ASA 8.2(4) or earlier, especially where multicast traffic can reach relevant firewall interfaces. Treat this as a legacy perimeter availability risk. If affected ASA 5500 firewalls remain in production, prioritize verification and vendor-supported remediation because firewall denial of service can disrupt business connectivity. Mitigation focus: Inventory Cisco ASA 5500 devices and record ASA software versions.; Prioritize devices running ASA 8.2(4) or earlier for vendor review.; Check Cisco release notes or support guidance for the appropriate fixed software path..

Prepared

Jun 28, 2026, 01:17 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.