CVE-2022-4020

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.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.5 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

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

Configurations

Configuration 1 (hide)

AND

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

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

Configuration 2 (hide)

AND

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

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

Configuration 3 (hide)

AND

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

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

Configuration 4 (hide)

AND

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

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

Configuration 5 (hide)

AND

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

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

History

21 Nov 2024, 07:34

Type	Values Removed	Values Added
References	~~() https://community.acer.com/en/kb/articles/15520-security-vulnerability-regarding-vulnerability-that-may-allow-changes-to-secure-boot-settings - Vendor Advisory~~	() https://community.acer.com/en/kb/articles/15520-security-vulnerability-regarding-vulnerability-that-may-allow-changes-to-secure-boot-settings - Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~8.2~~	v2 : unknown v3 : 8.1

Information

Published : 2022-11-28 13:15

Updated : 2024-11-21 07:34

NVD link : CVE-2022-4020

Mitre link : CVE-2022-4020

CVE.ORG link : CVE-2022-4020

JSON object : View

Products Affected

acer

aspire_a315-22g
aspire_a115-21
aspire_a315-22g_firmware
aspire_a315-22
aspire_a115-21_firmware
extensa_ex215-21
extensa_ex215-21g
extensa_ex215-21g_firmware
aspire_a315-22_firmware
extensa_ex215-21_firmware

CWE

CWE-276

Incorrect Default Permissions

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