CVE-2011-2064: Cisco IOS 12.4MDA before 12.4(24)MDA5 on the Cisco Content Services Gateway - Second Generation (CSG2) allo...

Security readout for executives and security teams

This issue can let a remote party crash and reload a Cisco Content Services Gateway - Second Generation device using crafted ICMP traffic. The business impact is outage risk for a specific, older Cisco platform. The provided sources do not show active exploitation or broad product impact. Exposure appears limited to organizations still running Cisco CSG2 with Cisco IOS 12.4MDA earlier than 12.4(24)MDA5, especially where ICMP can reach the device. The bundle does not identify other affected Cisco products. Handle during normal vulnerability remediation, faster if the device supports revenue, subscriber, or customer-facing traffic. This is not shown as actively exploited, but a device reload can still create visible service disruption. Mitigation focus: Upgrade affected Cisco IOS 12.4MDA deployments to 12.4(24)MDA5 or later.; Review the Cisco advisory for official fixed software and any vendor workarounds.; Restrict unnecessary ICMP reachability to the device where operationally feasible..

Prepared

Jun 27, 2026, 18:09 UTC (UTC+00:00)

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