Permissions, Privileges, and Access Controls in Intel products - CVE-2020-8738

Vulnerability identifier: #VU48427

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2020-8738

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 Processor E7 v4 Family
Intel Xeon Processor E5 v3 Family
Intel Xeon Processor E5 v4 Family
Intel Atom Processor C3XXX
Intel Xeon Scalable Processors

The vulnerability allows a local administrator to escalate privileges on the system.

The vulnerability exists due to improper conditions check in Intel BIOS platform sample code, which leads to security restrictions bypass and privilege escalation.

Install updates from vendor's website.

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00390