CVE-2022-4020 | BDVDB-2026-189441 Detail

AcerAspire A315-22

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.

Impact#

CAPEC-176 Configuration/Environment Manipulation

Weaknesses#

CWE-276 Incorrect Default Permissions

References#

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

Exploit#

No public exploit known

History#

Version 12022-11-28Record published in the CVE List.
Version 22025-04-14Most recent update recorded in the CVE List.

Published

Published: 2022-11-28
Last modified: 2025-04-14

Vendor information

Vendor: Acer
Product: Aspire A315-22

All Acer vulnerabilities

Score

8.1 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 16.2.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Incorrect Permissions

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 1.04 and < 1.11
Fixed
1.11

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.1 High

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	High
User Interaction	None
Scope	Changed
Confidentiality	Low
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).