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Vulnerability record · CVE-2020-8321 · published 9 June 2020

CVE-2020-8321: Lenovo 130-14ast firmware vulnerability

Lenovo · 130 14ast Firmware

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.

6.7 CVSS 3.1 Medium EPSS 0.35% · top 73.5%
6.7CVSS 3.1 base score, v2 4.6
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
150Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

150 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.lenovo.com/us/en/product_security/LEN-30042 Vendor Advisory
https://support.lenovo.com/us/en/product_security/LEN-30042 Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-8321), CISA KEV, FIRST EPSS (scores of 2026-10-17). This page is refreshed as NVD updates the record.