{"affected": [{"affectedData": [{"product": "ThinkPad A285 BIOS", "vendor": "Lenovo", "versions": [{"lessThan": "r0xuj70w", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "ThinkPad A485 BIOS", "vendor": "Lenovo", "versions": [{"lessThan": "r0wuj65w", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "ThinkPad T495 BIOS", "vendor": "Lenovo", "versions": [{"lessThan": "r12uj55w", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "ThinkPad T495s/X395 BIOS", "vendor": "Lenovo", "versions": [{"lessThan": "r13uj47w", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "psirt@lenovo.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:lenovo:thinkpad_a275_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "6FAF7EBD-E0B3-414B-BDF7-5CF70AD53F2C", "versionEndExcluding": "2020-08-30", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:lenovo:thinkpad_a275:-:*:*:*:*:*:*:*", "matchCriteriaId": "577AACCC-001A-4C73-B036-CA942080304F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:lenovo:thinkpad_a285_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "E8B80F55-F4AD-45BF-8FD4-C546138A179F", "versionEndExcluding": "2020-08-30", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:lenovo:thinkpad_a285:-:*:*:*:*:*:*:*", "matchCriteriaId": "259D895B-9968-41CF-8DB4-FAAB5A4C04AF", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:lenovo:thinkpad_a475_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "FA0CC938-42B6-420F-8660-3BA69FA50F9C", "versionEndExcluding": "2020-08-30", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:lenovo:thinkpad_a475:-:*:*:*:*:*:*:*", "matchCriteriaId": "EE1D9347-9561-45A3-A434-3A0802BC8953", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:lenovo:thinkpad_a485_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "CD997105-2FB0-41C7-AC12-98C972485EEE", "versionEndExcluding": "2020-08-30", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:lenovo:thinkpad_a485:-:*:*:*:*:*:*:*", "matchCriteriaId": "37B871C5-73F4-43FF-BCF1-B9B1B52FAC31", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:lenovo:thinkpad_t495_drift_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "33CEA6E9-09DD-45AB-B77D-1DB74BE1721D", "versionEndExcluding": "2020-08-30", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:lenovo:thinkpad_t495_drift:-:*:*:*:*:*:*:*", "matchCriteriaId": "B0E27B26-3BF6-4FCE-BF1B-8F0B857BF454", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:lenovo:thinkpad_t495s_jazz_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "0906BF92-4099-4A8E-9D8E-00296E55E8EA", "versionEndExcluding": "2020-08-30", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:lenovo:thinkpad_t495s_jazz:-:*:*:*:*:*:*:*", "matchCriteriaId": "FC42264F-7F33-48BC-BD51-B7003EC67AC2", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:lenovo:thinkpad_x1_carbon_\\(20bx\\)_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "9C24CC5B-2CCE-4D50-8911-53F944F57435", "versionEndExcluding": "n14et54w", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:lenovo:thinkpad_x1_carbon_\\(20bx\\):-:*:*:*:*:*:*:*", "matchCriteriaId": "452FEEFB-F073-45F0-AAB1-6CD6C67B7488", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:lenovo:thinkpad_x395_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "CA8F1835-628C-4AF0-A32B-00E9AB7EFA2F", "versionEndExcluding": "2020-08-30", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:lenovo:thinkpad_x395:-:*:*:*:*:*:*:*", "matchCriteriaId": "C9D5D2DC-32C0-4540-82AF-D97735383028", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up to r0xuj70w; A485, BIOS versions up to r0wuj65w; T495 BIOS versions up to r12uj55w; T495s/X395, BIOS versions up to r13uj47w, while the emergency-reset button is pressed which may allow for unauthorized access."}, {"lang": "es", "value": "El mecanismo de detecci\u00f3n de alteraciones del BIOS no fue activado en Lenovo ThinkPad A285, versiones de BIOS hasta r0xuj70w; A485, versiones de BIOS hasta r0wuj65w; T495 versiones de BIOS hasta r12uj55w; T495s/X395 versiones de BIOS hasta r13uj47w, mientras es presionado el bot\u00f3n de reinicio de emergencia que puede permitir un acceso no autorizado"}], "id": "CVE-2020-8335", "lastModified": "2026-06-17T03:26:17.420", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 5.2, "source": "psirt@lenovo.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-09-01T22:15:10.313", "references": [{"source": "psirt@lenovo.com", "tags": ["Vendor Advisory"], "url": "https://support.lenovo.com/us/en/product_security/LEN-30042"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://support.lenovo.com/us/en/product_security/LEN-30042"}], "sourceIdentifier": "psirt@lenovo.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}
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