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VULNERABILITIES

CVE-2022-4020 Details

Description

Vulnerability in the HQSwSmiDxe DXE driver on some consumer Acer Notebook devices may allow an attacker with elevated privileges to modify UEFI Secure Boot settings by modifying an NVRAM variable.

Metrics

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://community.acer.com/en/kb/articles/15520-security-vulnerability-regarding-vulnerability-that-may-allow-changes-to-secure-boot-settings CVEVendor Advisory
https://community.acer.com/en/kb/articles/15520-security-vulnerability-regarding-vulnerability-that-may-allow-changes-to-secure-boot-settings [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-276Incorrect Default Permissions[email protected]
CWE-276Incorrect Default Permissions[email protected]

Affected Products

ProductVersions

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2022-4020
NVD Published Date:
Nov 28, 2022
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2022-4020 Details - Not Deferred