Unintended proxy or intermediary in Intel products - CVE-2021-33103

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Main Vulnerability Database Vulnerabilities #VU63178

Unintended proxy or intermediary in Intel products - CVE-2021-33103

Published: May 16, 2022


Vulnerability identifier: #VU63178
CSH Severity: Low
CVSSv4.0: 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-2021-33103
CWE-ID: CWE-441
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Rocket Lake Xeon
10th Generation Intel Core Processors
11th Generation Intel Core Processors
9th Generation Intel Core Processors
Software vendor:
Intel

Description

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

The vulnerability exists due to presence of an unintended proxy in the BIOS authenticated code module. A local user can execute arbitrary code with elevated privileges.


Remediation

Install updates from vendor's website.

External links