{"cve":"CVE-2020-8321","nvd":{"published":"2020-06-09T20:15:22.240","modified":"2026-06-17T03:26:15.800","status":"Modified","description":"A potential vulnerability in the SMI callback function used in the System Lock Preinstallation driver in some Lenovo Notebook and ThinkStation models may allow arbitrary code execution.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","score":6.7},"cwes":[],"references":["https://support.lenovo.com/us/en/product_security/LEN-30042","https://support.lenovo.com/us/en/product_security/LEN-30042"],"products":["lenovo:130-14ast_firmware","lenovo:130-14ikb_firmware","lenovo:130-15ast_firmware","lenovo:130-15ikb_firmware","lenovo:320c-15ikb_firmware","lenovo:330-14igm_firmware","lenovo:330-14ikb_firmware","lenovo:330-14ikbr_firmware","lenovo:330-15arr_firmware","lenovo:330-15arr_touch_firmware","lenovo:330-15ich_firmware","lenovo:330-15igm_firmware","lenovo:330-15ikb_firmware","lenovo:330-15ikbr_firmware","lenovo:330-15ikbr_touch_firmware","lenovo:330-17ich_firmware","lenovo:330-17ikb_firmware","lenovo:330-17ikbr_firmware","lenovo:330c-14ikb_firmware","lenovo:330c-15ikb_firmware","lenovo:330c-15ikbr_firmware","lenovo:340c-15igm_firmware","lenovo:340c-15ikb_firmware","lenovo:340c-15iwl_firmware","lenovo:530s-14arr_firmware","lenovo:530s-14ikb_firmware","lenovo:530s-14iwl_firmware","lenovo:530s-15ikb_firmware","lenovo:530s-15iwl_firmware","lenovo:720s-13arr_firmware","lenovo:720s-14ikbr_firmware","lenovo:c340-14api_firmware","lenovo:c340-14iml_firmware","lenovo:c340-14iwl_firmware","lenovo:c340-15iil_firmware","lenovo:c340-15iml_firmware","lenovo:c340-15iwl_firmware","lenovo:d330-10igm_firmware","lenovo:d335-10igm_firmware","lenovo:e4-14arr_firmware","lenovo:e43-80_kbl_firmware","lenovo:flex-14iwl_firmware","lenovo:flex-15iwl_firmware","lenovo:flex_6-1470_firmware","lenovo:flex_6-14arr_firmware","lenovo:flex_6-14ikb_firmware","lenovo:ideapad_3_14_firmware","lenovo:ideapad_3_14iil05_firmware","lenovo:ideapad_3_15_firmware","lenovo:ideapad_3_15iil05_firmware"],"source":"nvd","synced_at":"2026-10-19T21:05:42.039641217+00:00"},"epss":{"cve":"CVE-2020-8321","score":0.00345,"percentile":0.28108,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}