Unchecked Return Value in Intel products - CVE-2021-0114

Vulnerability identifier: #VU60598

CSH Severity: Low

CVSS v4.0: 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-2021-0114

CWE-ID: CWE-252

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: Intel

Affected software:
2nd Generation Intel Xeon Scalable Processors
Intel Xeon W Processors
Intel Xeon Processor E Family
Intel Xeon D Processors
11th Generation Intel Core Processors
10th Generation Intel Core Processors
8th Generation Intel Core Processors
7th Generation Intel Core Processors
6th Generation Intel Core Processors
Intel Core X-series Processor Family
Intel Atom Processor C3XXX Family
Intel Xeon Scalable Processors
9th Generation Intel Core Processors

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

The vulnerability exists due to unchecked return value in the firmware, 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-00527.html