Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2022-4020

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
28/11/2022
Last modified:
07/11/2023

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.<br /> <br /> <br />

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.20 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.20
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:acer:aspire_a315-22g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:acer:aspire_a315-22g:-:*:*:*:*:*:*:*
cpe:2.3:o:acer:aspire_a115-21_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:acer:aspire_a115-21:-:*:*:*:*:*:*:*
cpe:2.3:o:acer:aspire_a315-22_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:acer:aspire_a315-22:-:*:*:*:*:*:*:*
cpe:2.3:o:acer:extensa_ex215-21_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:acer:extensa_ex215-21:-:*:*:*:*:*:*:*
cpe:2.3:o:acer:extensa_ex215-21g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:acer:extensa_ex215-21g:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools