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.

CVSS v3 8.2 HIGH

8.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.5 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://community.acer.com/en/kb/articles/15520-security-vulnerability-regarding-vulnerability-that-may-allow-changes-to-secure-boot-settings	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:acer:aspire_a315-22g_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:acer:aspire_a315-22g:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:acer:aspire_a115-21_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:acer:aspire_a115-21:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:acer:aspire_a315-22_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:acer:aspire_a315-22:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:acer:extensa_ex215-21_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:acer:extensa_ex215-21:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:acer:extensa_ex215-21g_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:acer:extensa_ex215-21g:-:*:*:*:*:*:*:*

History

07 Nov 2023, 03:56

Type	Values Removed	Values Added
Summary	~~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.~~	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.

Information

Published : 2022-11-28 13:15

Updated : 2024-02-28 19:51

NVD link : CVE-2022-4020

Mitre link : CVE-2022-4020

CVE.ORG link : CVE-2022-4020

JSON object : View

Products Affected

acer

aspire_a115-21
aspire_a115-21_firmware
aspire_a315-22g_firmware
extensa_ex215-21g_firmware
aspire_a315-22_firmware
aspire_a315-22g
aspire_a315-22
extensa_ex215-21
extensa_ex215-21g
extensa_ex215-21_firmware

CWE

CWE-276

Incorrect Default Permissions

{"id": "CVE-2022-4020", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.5}, {"type": "Secondary", "source": "security@eset.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}, "impactScore": 6.0, "exploitabilityScore": 1.5}]}, "published": "2022-11-28T13:15:10.180", "references": [{"url": "https://community.acer.com/en/kb/articles/15520-security-vulnerability-regarding-vulnerability-that-may-allow-changes-to-secure-boot-settings", "tags": ["Vendor Advisory"], "source": "security@eset.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-276"}]}, {"type": "Secondary", "source": "security@eset.com", "description": [{"lang": "en", "value": "CWE-276"}]}], "descriptions": [{"lang": "en", "value": "Vulnerability in the\u00a0HQSwSmiDxe 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.\n\n\n"}, {"lang": "es", "value": "Una vulnerabilidad en el controlador HQSwSmiDxe DXE en algunos dispositivos port\u00e1tiles Acer de consumo puede permitir que un atacante con privilegios elevados modifique la configuraci\u00f3n de arranque seguro UEFI modificando una variable NVRAM."}], "lastModified": "2023-11-07T03:56:42.807", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:acer:aspire_a315-22g_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AF67F568-6A74-4789-B59A-FFE5D03EF0E6"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:acer:aspire_a315-22g:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A638EBAC-1449-4FE2-BBF9-59517E4D4671"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:acer:aspire_a115-21_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2BEBF1F1-34CA-4449-A593-FA0D9C4B3BF2"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:acer:aspire_a115-21:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CE7938F2-00F7-470E-B442-F276D175A4FA"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:acer:aspire_a315-22_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FB4C05A5-A52F-4115-B0EB-D445E0EA48AF"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:acer:aspire_a315-22:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "1C4616CD-F646-4E62-964E-773A5FDA0507"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:acer:extensa_ex215-21_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "28620492-E1FD-4A25-9329-F9987FD75723"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:acer:extensa_ex215-21:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A4B5C395-7349-407C-BD81-9D6D2927F8D5"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:acer:extensa_ex215-21g_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0557639F-127A-42FE-B5CF-08F3E0A5A296"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:acer:extensa_ex215-21g:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E6CD41DC-094E-4765-A234-12CEED5C586C"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "security@eset.com"}