CVE-2022-4020CWE-276

Acer Aspire BIOS vulnerability

High · published November 28, 2022

CVSS v3.1
8.1
EPSS
0%
Percentile
15.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00246 · 15.0th percentile
Weakness
CWE-276 · Incorrect Default Permissions
Published
2022-11-28T13:00Z
EPSS history
Timeline
  • 28 NOV 13:00Z
    Acer Aspire BIOS vulnerability
    cvelistv5