Permissions, Privileges, and Access Controls in Intel products - CVE-2020-8739
Published: November 12, 2020 / Updated: November 16, 2020
Vulnerability identifier: #VU48429
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-8739
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Intel
Affected software:
2nd Generation Intel Xeon Scalable Processors
Intel Core X-series Processors
Intel Xeon W Processors
Intel Xeon D Processors
Intel Xeon Scalable Processors
2nd Generation Intel Xeon Scalable Processors
Intel Core X-series Processors
Intel Xeon W Processors
Intel Xeon D Processors
Intel Xeon Scalable Processors
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to usage of potentially dangerous function in Intel BIOS platform sample code, which leads to security restrictions bypass and privilege escalation.
How to mitigate CVE-2020-8739
Install updates from vendor's website.