{"id":"CVE-2020-8332","aliases":["EUVD-2020-29199","GHSA-5pp7-xmxh-rxh5"],"status":"published","title":"A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers...","description":"A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers in some legacy Lenovo and IBM System x servers may allow arbitrary code execution. Servers operating in UEFI mode are not affected.","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":0.0023,"percentile":0.13838,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2020-10-14T21:25:19Z","modified":"2026-06-17T03:26:17Z","products":[{"vendor":"ibm","product":"system x"},{"vendor":"lenovo","product":"bladecenter_hs23_firmware"},{"vendor":"lenovo","product":"bladecenter_hs23e_firmware"},{"vendor":"lenovo","product":"compute_node-x440_firmware"},{"vendor":"lenovo","product":"flex_system_x220_firmware"},{"vendor":"lenovo","product":"flex_system_x240_firmware"},{"vendor":"lenovo","product":"flex_system_x440_firmware"},{"vendor":"lenovo","product":"idataplex_dx360_m4_firmware"},{"vendor":"lenovo","product":"idataplex_dx360_m4_water_cooled_firmware"},{"vendor":"lenovo","product":"nextscale_nx360_m4_firmware"},{"vendor":"lenovo","product":"system x"},{"vendor":"lenovo","product":"system_x3300_m4_firmware"},{"vendor":"lenovo","product":"system_x3500_m4_firmware"},{"vendor":"lenovo","product":"system_x3530_m4_firmware"},{"vendor":"lenovo","product":"system_x3550_m4_firmware"},{"vendor":"lenovo","product":"system_x3630_m4_firmware"},{"vendor":"lenovo","product":"system_x3650_m4_bd_firmware"},{"vendor":"lenovo","product":"system_x3650_m4_firmware"},{"vendor":"lenovo","product":"system_x3650_m4_hd_firmware"},{"vendor":"lenovo","product":"system_x3750_m4_firmware"}],"references":[{"url":"https://support.lenovo.com/us/en/product_security/LEN-38625","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8332"},{"url":"https://github.com/advisories/GHSA-5pp7-xmxh-rxh5"}],"sources":{"cve":[{"id":"CVE-2020-8332","description":"A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers in some legacy Lenovo and IBM System x servers may allow arbitrary code execution. Servers operating in UEFI mode are not affected.","status":"published","published":"2020-10-14T21:25:19Z","modified":"2024-08-04T09:56:28.331Z","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-2020-29199","description":"A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers in some legacy Lenovo and IBM System x servers may allow arbitrary code execution. Servers operating in UEFI mode are not affected.","status":"published","published":"2020-10-14T21:25:19Z","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-5pp7-xmxh-rxh5","title":"A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers...","description":"A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers in some legacy Lenovo and IBM System x servers may allow arbitrary code execution. Servers operating in UEFI mode are not affected.","status":"published","published":"2022-05-24T17:30:48Z","modified":"2023-01-29T05:04:22Z","cwes":["CWE-367"],"updated_at":"2026-11-02T14:45:32.201087Z"}],"nvd":[{"id":"CVE-2020-8332","description":"A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers in some legacy Lenovo and IBM System x servers may allow arbitrary code execution. Servers operating in UEFI mode are not affected.","status":"published","published":"2020-10-14T22:15:13.403Z","modified":"2026-06-17T03:26:17.023Z","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":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:06:19.351389Z"}]}}