CVE-2022-4020

High

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.

SeverityHigh
CVSS8.1
Exploit probability—
ProductAcer Aspire A315-22g Firmware
PublishedNov 28, 2022
First seenNov 28, 2022
Weakness typeCWE-276CWE-276

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
acer aspire_a315-22g_firmwareNo range specified—
acer aspire_a115-21_firmwareNo range specified—
acer aspire_a315-22_firmwareNo range specified—
acer extensa_ex215-21_firmwareNo range specified—
acer extensa_ex215-21g_firmwareNo range specified—

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