CVE-2022-4020

Published on: Not Yet Published

Last Modified on: 11/28/2022 01:55:00 PM UTC

Certain versions of Aspire A315-22 from Acer contain the following vulnerability:

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.

  • CVE-2022-4020 has been assigned by URL Logo [email protected] to track the vulnerability
  • Affected Vendor/Software: URL Logo Acer - Aspire A315-22 version = 1.04
  • Affected Vendor/Software: URL Logo Acer - Aspire A115-21 version = 1.04
  • Affected Vendor/Software: URL Logo Acer - Aspire A315-22G version = 1.04
  • Affected Vendor/Software: URL Logo Acer - Extensa EX215-21 version = 1.04
  • Affected Vendor/Software: URL Logo Acer - Extensa EX215-21G version = 1.04

CVE References

Description Tags Link
Security Vulnerability Regarding Vulnerability That May Allow Changes to Secure Boot Settings - Acer Community community.acer.com
text/html
URL Logo MISC community.acer.com/en/kb/articles/15520-security-vulnerability-regarding-vulnerability-that-may-allow-changes-to-secure-boot-settings

Known Affected Software

Vendor Product Version
Acer Aspire_A315-22= 1.04
Acer Aspire_A115-21= 1.04
Acer Aspire_A315-22G= 1.04
Acer Extensa_EX215-21= 1.04
Acer Extensa_EX215-21G= 1.04

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2022-4020 : Vulnerability in the HQSwSmiDxe DXE driver on some consumer Acer Notebook devices may allow an atta… twitter.com/i/web/status/1… 2022-11-28 13:04:56
Twitter Icon @ESETresearch #CVE-2022-4020 is found in the DXE driver HQSwSmiDxe , which checks for the “BootOrderSecureBootDisable” NVRAM var… twitter.com/i/web/status/1… 2022-11-28 13:55:51
Reddit Logo Icon /r/netcve CVE-2022-4020 2022-11-28 13:38:40
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