ISE Certificate Binding Bug

Summary

Certificate binding issue in ISE 3.3 affecting EAP-TLS authentication.

Timeline

  • Detected: 2026-02-03

  • Resolved: 2026-02-03

Root Cause

ISE certificate profile misconfiguration.

Resolution

Updated certificate authentication profile to use correct attribute mapping.

Lessons Learned

Always verify certificate binding rules after ISE upgrades.