Improper input validation in subsystem for Intel(R) AMT versions before 11.8.77, 11.12.77, 11.22.77 and 12.0.64 may allow an unauthenticated user to potentially enable denial of service or information disclosure via adjacent access.
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00295.html