{"id":"CVE-2020-8333","aliases":["EUVD-2020-29200","GHSA-2vg7-q8hg-5f79"],"status":"published","title":"A potential vulnerability in the SMI callback function used in the EEPROM driver in some Lenovo...","description":"A potential vulnerability in the SMI callback function used in the EEPROM driver in some Lenovo Desktops and ThinkStation 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":"2026-11-09","score":0.00334,"percentile":0.26916,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-09-24T21:05:26Z","modified":"2026-06-17T03:26:17Z","products":[{"vendor":"lenovo","product":"63_firmware"},{"vendor":"lenovo","product":"bios"},{"vendor":"lenovo","product":"h50-30g_firmware"},{"vendor":"lenovo","product":"m4500_firmware"},{"vendor":"lenovo","product":"m4550_firmware"},{"vendor":"lenovo","product":"qitian_4500_firmware"},{"vendor":"lenovo","product":"qitian_b4550_firmware"},{"vendor":"lenovo","product":"qitian_m4550_firmware"},{"vendor":"lenovo","product":"thinkcentre_e73_firmware"},{"vendor":"lenovo","product":"thinkcentre_e73s_firmware"},{"vendor":"lenovo","product":"thinkcentre_e93_firmware"},{"vendor":"lenovo","product":"thinkcentre_m4500k_firmware"},{"vendor":"lenovo","product":"thinkcentre_m4500q_firmware"},{"vendor":"lenovo","product":"thinkcentre_m4500s_firmware"},{"vendor":"lenovo","product":"thinkcentre_m4500t_firmware"},{"vendor":"lenovo","product":"thinkcentre_m9350z_firmware"},{"vendor":"lenovo","product":"thinkcentre_m93z_firmware"},{"vendor":"lenovo","product":"thinkstation_c30_firmware"},{"vendor":"lenovo","product":"thinkstation_d30_firmware"},{"vendor":"lenovo","product":"thinkstation_e32_firmware"},{"vendor":"lenovo","product":"thinkstation_p300_firmware"},{"vendor":"lenovo","product":"thinkstation_s30_firmware"},{"vendor":"lenovo","product":"yangtian_afh81_firmware"},{"vendor":"lenovo","product":"yangtian_mc_h81_firmware"},{"vendor":"lenovo","product":"yangtian_mf_h81_pci_firmware"},{"vendor":"lenovo","product":"yangtian_tc_h81_pci_firmware"},{"vendor":"lenovo","product":"yangtian_wcc_h81_pci_firmware"},{"vendor":"lenovo","product":"yangtian_wf_h81_pci_firmware"}],"references":[{"url":"https://support.lenovo.com/us/en/product_security/LEN-30042","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8333"},{"url":"https://github.com/advisories/GHSA-2vg7-q8hg-5f79"}],"sources":{"cve":[{"id":"CVE-2020-8333","description":"A potential vulnerability in the SMI callback function used in the EEPROM driver in some Lenovo Desktops and ThinkStation models may allow arbitrary code execution","status":"published","published":"2020-09-24T21:05:26.789Z","modified":"2024-09-16T17:38:49.85Z","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"}],"updated_at":"2026-11-02T14:35:50.88562Z"}],"euvd":[{"id":"EUVD-2020-29200","description":"A potential vulnerability in the SMI callback function used in the EEPROM driver in some Lenovo Desktops and ThinkStation models may allow arbitrary code execution","status":"published","published":"2020-09-24T21:05:26Z","modified":"2024-09-16T17:38:49Z","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":"2026-11-03T00:55:40.170355Z"}],"ghsa":[{"id":"GHSA-2vg7-q8hg-5f79","title":"A potential vulnerability in the SMI callback function used in the EEPROM driver in some Lenovo...","description":"A potential vulnerability in the SMI callback function used in the EEPROM driver in some Lenovo Desktops and ThinkStation models may allow arbitrary code execution","status":"published","published":"2022-05-24T17:29:31Z","modified":"2023-01-29T05:04:40Z","updated_at":"2026-11-02T14:45:36.557586Z"}],"nvd":[{"id":"CVE-2020-8333","description":"A potential vulnerability in the SMI callback function used in the EEPROM driver in some Lenovo Desktops and ThinkStation models may allow arbitrary code execution","status":"published","published":"2020-09-24T21:15:15.873Z","modified":"2026-06-17T03:26:17.167Z","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":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","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"}],"updated_at":"2026-11-02T14:06:17.70091Z"}]}}