Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 19.2%
CVSS Severity
CVSS v3 Score 8.1
References
Products affected by CVE-2022-4020
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cpe:2.3:h:acer:aspire_a115-21:-
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cpe:2.3:h:acer:aspire_a315-22:-
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cpe:2.3:h:acer:aspire_a315-22g:-
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cpe:2.3:h:acer:extensa_ex215-21:-
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cpe:2.3:h:acer:extensa_ex215-21g:-
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cpe:2.3:o:acer:aspire_a115-21_firmware:-
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cpe:2.3:o:acer:aspire_a315-22_firmware:-
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cpe:2.3:o:acer:aspire_a315-22g_firmware:-
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cpe:2.3:o:acer:extensa_ex215-21_firmware:-
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cpe:2.3:o:acer:extensa_ex215-21g_firmware:-