CVE-2022-4020 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact Low

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Acer	Aspire A115-21 Aspire A115-21 Firmware Aspire A315-22 Aspire A315-22 Firmware Aspire A315-22g Aspire A315-22g Firmware Extensa Ex215-21 Extensa Ex215-21 Firmware Extensa Ex215-21g Extensa Ex215-21g Firmware

Configuration 1 [-]

AND

cpe:2.3:o:acer:aspire_a315-22g_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:acer:aspire_a315-22g:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:acer:aspire_a115-21_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:acer:aspire_a115-21:-:*:*:*:*:*:*:*

Configuration 3 [-]

AND

cpe:2.3:o:acer:aspire_a315-22_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:acer:aspire_a315-22:-:*:*:*:*:*:*:*

Configuration 4 [-]

AND

cpe:2.3:o:acer:extensa_ex215-21_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:acer:extensa_ex215-21:-:*:*:*:*:*:*:*

Configuration 5 [-]

AND

cpe:2.3:o:acer:extensa_ex215-21g_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:acer:extensa_ex215-21g:-:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://community.acer.com/en/kb/articles/15520-security-vulnerability-regarding-vulnerability-that-may-allow-changes-to-secure-boot-settings

History

Mon, 14 Apr 2025 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: ESET

Published: 2022-11-28T13:00:01.057Z

Updated: 2025-04-14T18:16:59.908Z

Reserved: 2022-11-16T12:09:56.043Z

Link: CVE-2022-4020

Vulnrichment

Updated: 2024-08-03T01:27:54.370Z

NVD

Status : Modified

Published: 2022-11-28T13:15:10.180

Modified: 2024-11-21T07:34:27.610

Link: CVE-2022-4020

Redhat

No data.

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