Multiple buffer overflows in Active Management Technology (AMT) in Intel Manageability Engine Firmware 8.x/9.x/10.x/11.0/11.5/11.6/11.7/11.10/11.20 allow attacker with local access to the system to execute arbitrary code with AMT execution privilege.
https://www.asus.com/News/wzeltG5CjYaIwGJ0
https://security.netapp.com/advisory/ntap-20171120-0001/
https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00086&languageid=en-fr
https://cert-portal.siemens.com/productcert/pdf/ssa-892715.pdf