#VU63083 Improper access control in Intel products - CVE-2021-33123

Vulnerability identifier: #VU63083

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2021-33123

CWE-ID: CWE-284

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
2nd Generation Intel Xeon Scalable Processors
Intel Xeon D Processors
3rd Generation Intel Xeon Scalable Processors
10th Generation Intel Core Processors
8th Generation Intel Core Processors
7th Generation Intel Core Processors
Intel Core X-series Processor
Intel Xeon W Processors
Intel Xeon Processor E Family
Intel Xeon Processor E3 v6 Family
Intel Xeon Processor E3 v5 Family
Intel Xeon Processor E7 v4 Family
Intel Xeon Processor E5 v4 Family
Rocket Lake Xeon
9th Generation Intel Core Processors

Software vendor:
Intel

The vulnerability allows a local user to escalate privileges on the system

The vulnerability exists due to improper access restrictions in the BIOS authenticated code module. A local user can obtain elevated privileges on the system.

Install updates from vendor's website.

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00601.html