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Unrated severityNVD Advisory· Published Nov 28, 2022· Updated Apr 14, 2025

Acer Aspire BIOS vulnerability

CVE-2022-4020

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.

Affected products

6
  • Jupyter/Notebookllm-fuzzy
  • Acer/Aspire A115-21v5
    Range: 1.04
  • Acer/Aspire A315-22v5
    Range: 1.04
  • Acer/Aspire A315-22Gv5
    Range: 1.04
  • Acer/Extensa EX215-21v5
    Range: 1.04
  • Acer/Extensa EX215-21Gv5
    Range: 1.04

Patches

Vulnerability mechanics

References

1

News mentions

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