Improper Initialization in Intel products - CVE-2020-8744
Published: November 12, 2020 / Updated: May 13, 2021
Vulnerability identifier: #VU48680
CSH Severity: Low
CVSS v4: 4.5 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N]
CVE-ID: CVE-2020-8744
CWE-ID: CWE-665
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper initialization in subsystem. A local administrator can run a specially crafted application to execute arbitrary code with escalated privileges on the system.
Affected software
Converged Security and Management Engine (CSME)
Intel Trusted Execution Engine Firmware
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
Intel Server Platform Services Firmware
Intel Trusted Execution Engine Firmware
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
Intel Server Platform Services Firmware
How to mitigate CVE-2020-8744
Install updates from vendor's website.
Converged Security and Management Engine (CSME) - addressed in versions 12.0.70, 13.0.40, 13.30.10, 14.0.45, 14.5.25
Intel Trusted Execution Engine Firmware - update to 4.0.30
Intel Server Platform Services Firmware - update to E3_05.01.04.200
Intel Trusted Execution Engine Firmware - update to 4.0.30
Intel Server Platform Services Firmware - update to E3_05.01.04.200