Buffer overflow in HECI subsystem in Intel® CSME before versions 11.8.60, 11.11.60, 11.22.60 or 12.0.20 and Intel® TXE version before 3.1.60 or 4.0.10, or Intel® Server Platform Services before version 5.00.04.012 may allow an unauthenticated user to potentially execute arbitrary code via physical access.