CVE-2013-3463: The protocol-inspection feature on Cisco Adaptive Security Appliances (ASA) devices does not properly imple...

Security readout for executives and security teams

This vulnerability can let a remote attacker exhaust the connection table on Cisco ASA firewalls by abusing inspected protocol traffic. The likely business impact is loss or degradation of network connectivity through affected ASA devices. The source bundle does not provide CVSS, affected versions, or confirmed active exploitation. Organizations using Cisco ASA devices with protocol inspection enabled may be exposed, especially where inspected protocols are reachable from untrusted networks. Exact affected ASA software versions are not provided in the source bundle. Prioritize review for internet-facing or high-traffic ASA deployments. Treat this as an availability risk to perimeter network services, not as evidence of data theft or code execution. Mitigation focus: Review the Cisco security notice for affected versions and fixed software.; Apply Cisco-recommended updates or mitigations where applicable.; Inventory ASA devices with protocol inspection enabled..

Prepared

Jun 14, 2026, 15:32 UTC (UTC+00:00)

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