{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "modules": ["BIOS/firmware"], "product": "Aspire A315-22", "vendor": "Acer", "versions": [{"lessThan": "1.11", "status": "affected", "version": "1.04", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "modules": ["BIOS/firmware"], "product": "Aspire A115-21", "vendor": "Acer", "versions": [{"lessThan": "1.11", "status": "affected", "version": "1.04", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "modules": ["BIOS/firmware"], "product": "Aspire A315-22G", "vendor": "Acer", "versions": [{"lessThan": "1.11", "status": "affected", "version": "1.04", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "modules": ["BIOS/firmware"], "product": "Extensa EX215-21", "vendor": "Acer", "versions": [{"lessThan": "1.11", "status": "affected", "version": "1.04", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "modules": ["BIOS/firmware"], "product": "Extensa EX215-21G", "vendor": "Acer", "versions": [{"lessThan": "1.11", "status": "affected", "version": "1.04", "versionType": "custom"}]}], "source": "security@eset.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:acer:aspire_a315-22g_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "AF67F568-6A74-4789-B59A-FFE5D03EF0E6", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:acer:aspire_a315-22g:-:*:*:*:*:*:*:*", "matchCriteriaId": "A638EBAC-1449-4FE2-BBF9-59517E4D4671", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:acer:aspire_a115-21_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "2BEBF1F1-34CA-4449-A593-FA0D9C4B3BF2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:acer:aspire_a115-21:-:*:*:*:*:*:*:*", "matchCriteriaId": "CE7938F2-00F7-470E-B442-F276D175A4FA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:acer:aspire_a315-22_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "FB4C05A5-A52F-4115-B0EB-D445E0EA48AF", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:acer:aspire_a315-22:-:*:*:*:*:*:*:*", "matchCriteriaId": "1C4616CD-F646-4E62-964E-773A5FDA0507", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:acer:extensa_ex215-21_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "28620492-E1FD-4A25-9329-F9987FD75723", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:acer:extensa_ex215-21:-:*:*:*:*:*:*:*", "matchCriteriaId": "A4B5C395-7349-407C-BD81-9D6D2927F8D5", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:acer:extensa_ex215-21g_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "0557639F-127A-42FE-B5CF-08F3E0A5A296", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:acer:extensa_ex215-21g:-:*:*:*:*:*:*:*", "matchCriteriaId": "E6CD41DC-094E-4765-A234-12CEED5C586C", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "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."}], "id": "CVE-2022-4020", "lastModified": "2026-06-17T05:19:46.683", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.5, "impactScore": 6.0, "source": "security@eset.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.5, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-4020", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-14T18:15:55.381686Z", "version": "2.0.3"}}]}, "published": "2022-11-28T13:15:10.180", "references": [{"source": "security@eset.com", "tags": ["Vendor Advisory"], "url": "https://community.acer.com/en/kb/articles/15520-security-vulnerability-regarding-vulnerability-that-may-allow-changes-to-secure-boot-settings"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://community.acer.com/en/kb/articles/15520-security-vulnerability-regarding-vulnerability-that-may-allow-changes-to-secure-boot-settings"}], "sourceIdentifier": "security@eset.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-276"}], "source": "security@eset.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-276"}], "source": "nvd@nist.gov", "type": "Primary"}]}
CVE record
NVD configurations
Red Hat packages
No data
OpenCVE enrichment
No data
EUVD