CVE-2013-1124: The Cisco Network Admission Control (NAC) agent on Mac OS X does not verify the X.509 certificate of an Ide...

Security readout for executives and security teams

Mac users running the Cisco NAC agent could be tricked into trusting a fake ISE server because the agent did not verify the server certificate during SSL. That creates a man-in-the-middle risk where network admission decisions or related trust flows may be exposed. Exposure appears limited to environments that deployed Cisco NAC Agent on Mac OS X with Cisco ISE. The supplied data does not identify specific affected versions, CPEs, or deployment counts. Treat as a targeted network trust issue, not an internet-wide emergency. Prioritize if legacy Mac NAC deployments still exist, especially in environments relying on ISE for access control. Mitigation focus: Review the Cisco security notice for affected versions and official remediation guidance.; Inventory Mac OS X endpoints for Cisco NAC Agent usage.; Upgrade, remove, or replace affected agents according to Cisco guidance..

Prepared

Jun 24, 2026, 11:46 UTC (UTC+00:00)

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