{"id":"CVE-2020-8354","aliases":["EUVD-2020-29221","GHSA-g763-g64f-m23g"],"status":"published","title":"A potential vulnerability in the SMI callback function used in the VariableServiceSmm driver in...","description":"A potential vulnerability in the SMI callback function used in the VariableServiceSmm driver in some Lenovo Notebook models may allow arbitrary code execution.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00256,"percentile":0.17429,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2020-11-11T17:35:18Z","modified":"2026-06-17T03:26:19Z","products":[{"vendor":"lenovo","product":"bios"},{"vendor":"lenovo","product":"notebook_firmware"}],"references":[{"url":"https://support.lenovo.com/us/en/product_security/LEN-49266","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8354"},{"url":"https://github.com/advisories/GHSA-g763-g64f-m23g"}],"sources":{"cve":[{"id":"CVE-2020-8354","description":"A potential vulnerability in the SMI callback function used in the VariableServiceSmm driver in some Lenovo Notebook models may allow arbitrary code execution.","status":"published","published":"2020-11-11T17:35:18Z","modified":"2024-08-04T09:56:28.369Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:35:50.88562Z"}],"euvd":[{"id":"EUVD-2020-29221","description":"A potential vulnerability in the SMI callback function used in the VariableServiceSmm driver in some Lenovo Notebook models may allow arbitrary code execution.","status":"published","published":"2020-11-11T17:35:18Z","modified":"2024-08-04T09:56:28Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-03T03:07:57.599144Z"}],"ghsa":[{"id":"GHSA-g763-g64f-m23g","title":"A potential vulnerability in the SMI callback function used in the VariableServiceSmm driver in...","description":"A potential vulnerability in the SMI callback function used in the VariableServiceSmm driver in some Lenovo Notebook models may allow arbitrary code execution.","status":"published","published":"2022-05-24T17:34:09Z","modified":"2023-01-29T05:04:43Z","updated_at":"2026-11-02T14:45:37.465361Z"}],"nvd":[{"id":"CVE-2020-8354","description":"A potential vulnerability in the SMI callback function used in the VariableServiceSmm driver in some Lenovo Notebook models may allow arbitrary code execution.","status":"published","published":"2020-11-11T18:15:11.843Z","modified":"2026-06-17T03:26:19.47Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:06:24.137599Z"}]}}