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Vulnerability record · CVE-2020-8336 · published 9 June 2020

CVE-2020-8336: Lenovo thinkpad e14 firmware vulnerability

Lenovo · Thinkpad E14 Firmware

Lenovo implemented Intel CSME Anti-rollback ARB protections on some ThinkPad models to prevent roll back of CSME Firmware in flash.

6.8 CVSS 3.1 Medium EPSS 0.30% · top 79.1%
6.8CVSS 3.1 base score, v2 4.6
0.30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
38Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Lenovo implemented Intel CSME Anti-rollback ARB protections on some ThinkPad models to prevent roll back of CSME Firmware in flash.

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

Affected products

38 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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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-8336), CISA KEV, FIRST EPSS (scores of 2026-10-17). This page is refreshed as NVD updates the record.