#VU72455 Improper access control in 3rd Generation Intel Xeon Scalable Processors - CVE-2021-0187

Vulnerability identifier: #VU72455

Vulnerability risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-0187

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
3rd Generation Intel Xeon Scalable Processors
Hardware solutions / Firmware

Vendor: Intel

Description

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

The vulnerability exists due to improper access restrictions in the BIOS firmware. A local user can execute arbitrary code with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

3rd Generation Intel Xeon Scalable Processors: All versions

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External links
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00717.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.