CVE-2022-4020

EUVD-2022-51399
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.1 HIGH
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H
ESETCNA
8.1 HIGH
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 23%
Affected Products (NVD)
VendorProductVersion
aceraspire_a315-22g_firmware
-
aceraspire_a115-21_firmware
-
aceraspire_a315-22_firmware
-
acerextensa_ex215-21_firmware
-
acerextensa_ex215-21g_firmware
-
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://community.acer.com/en/kb/articles/15520-security-vulnerability-regarding-vulnerability-that-may-allow-changes-to-secure-boot-settings
https://community.acer.com/en/kb/articles/15520-security-vulnerability-regarding-vulnerability-that-may-allow-changes-to-secure-boot-settings