{"id":"CVE-2020-8322","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-8322","generatedAt":"2026-10-27T23:33:33.928Z","title":"A potential vulnerability in the SMI callback function used in the Legacy USB driver in some Lenovo Notebook and ThinkStation models may allow arbitrary code execution.","description":"A potential vulnerability in the SMI callback function used in the Legacy USB driver in some Lenovo Notebook and ThinkStation models may allow arbitrary code execution.","published":"2020-06-09T20:15:22.000Z","lastModified":"2026-06-17T03:26:16.000Z","status":"Modified","sourceIdentifier":"psirt@lenovo.com","cvss":{"version":"3.1","score":6.7,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":["lenovo/330-14ast firmware","lenovo/330-15ast firmware","lenovo/330-17ast firmware","lenovo/340c-15api firmware","lenovo/340c-15ast firmware","lenovo/720s touch-15ikb firmware","lenovo/720s-15ikb firmware","lenovo/730s-13iwl firmware","lenovo/c640-iml firmware","lenovo/e42-80 firmware","lenovo/e52-80 firmware","lenovo/k22-80 firmware","lenovo/v720-12 firmware","lenovo/k32-80 kbl firmware","lenovo/k32-80 skl firmware","lenovo/miix 720-12ikb firmware","lenovo/s145-14api firmware","lenovo/s145-14ast firmware","lenovo/s145-15api firmware","lenovo/s145-15ast firmware","lenovo/s540-13api firmware","lenovo/s750-iil firmware","lenovo/s940-14iwl firmware","lenovo/thinkbook 13s-iwl firmware","lenovo/thinkbook 14s-iwl firmware","lenovo/v110-14ast firmware","lenovo/v110-14ikb firmware","lenovo/v110-15ast firmware","lenovo/v130-15igm firmware","lenovo/v130-15ikb firmware","lenovo/v310-15igm firmware","lenovo/v330-15igm firmware","lenovo/v330-15ikb firmware","lenovo/v330-15isk firmware","lenovo/v340-iil firmware","lenovo/v340-iml firmware","lenovo/v540s-13 firmware","lenovo/14iwl firmware","lenovo/v730-13ikb firmware","lenovo/v730-13isk firmware","lenovo/v730-15ikb firmware","lenovo/wei5-15ikb firmware","lenovo/xiaoxin 14-ast qc 2019 firmware","lenovo/xx-14api qc 2019 firmware","lenovo/yoga s730-13iwl firmware","lenovo/yoga s940-14iwl firmware","lenovo/6 pro-13-iwl firmware","lenovo/6 pro-14-iwl firmware","lenovo/e53-80 firmware","lenovo/k3 firmware","lenovo/k4-iwl firmware"],"epss":{"score":0.00327,"percentile":0.25602,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.33%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://support.lenovo.com/us/en/product_security/LEN-30042","tags":["Vendor Advisory"],"source":"psirt@lenovo.com"},{"url":"https://support.lenovo.com/us/en/product_security/LEN-30042","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-8322","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}