{ "CVE_data_meta": { "ASSIGNER": "psirt@lenovo.com", "ID": "CVE-2020-8354", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "BIOS", "version": { "version_data": [ { "version_affected": "<", "version_value": "various" } ] } } ] }, "vendor_name": "Lenovo" } ] } }, "credit": [ { "lang": "eng", "value": "Lenovo thanks yngwei (@yngweijw) of IIE VARAS" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A potential vulnerability in the SMI callback function used in the VariableServiceSmm driver in some Lenovo Notebook models may allow arbitrary code execution." } ] }, "generator": { "engine": "Vulnogram 0.0.9" }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition" } ] } ] }, "references": { "reference_data": [ { "refsource": "MISC", "url": "https://support.lenovo.com/us/en/product_security/LEN-49266", "name": "https://support.lenovo.com/us/en/product_security/LEN-49266" } ] }, "solution": [ { "lang": "eng", "value": "Update system firmware to the version (or newer) indicated for your model in the Product Impact section of LEN-49266." } ], "source": { "advisory": "LEN-49266", "discovery": "UNKNOWN" } }