CVE-2009-4916: Unspecified vulnerability on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software bef...

Security readout for executives and security teams

This is an older Cisco ASA 5580 issue where an authenticated remote user could trigger a denial of service, described as a console hang, during failover replication. It matters if these firewalls still protect critical networks and run software before 8.1(2). Exposure appears limited to Cisco ASA 5580 deployments on software before 8.1(2), particularly failover configurations. The actor must be authenticated, which lowers broad internet risk but still matters for compromised or overprivileged accounts. Treat as a targeted availability risk for legacy Cisco firewall infrastructure. Prioritize if ASA 5580 devices remain in production, especially where firewall management availability is operationally critical. Mitigation focus: Identify any Cisco ASA 5580 appliances still in service.; Verify ASA software is 8.1(2) or later per Cisco guidance.; Review Cisco release notes for CSCsq80095 remediation details..

Prepared

Jun 28, 2026, 02:01 UTC (UTC+00:00)

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