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Vulnerability record · CVE-2021-33103 · published 12 May 2022

CVE-2021-33103: Intel xeon e-2386g firmware vulnerability

Intel · Xeon E 2386g Firmware

Unintended intermediary in the BIOS authenticated code module for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

6.7 CVSS 3.1 Medium EPSS 0.26% · top 84.3%
6.7CVSS 3.1 base score, v2 7.2
0.26%EPSS exploitation probability, 30 days
NoNot in CISA KEV
150Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Unintended intermediary in the BIOS authenticated code module for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

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://security.netapp.com/advisory/ntap-20220818-0003/ Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00601.html Vendor Advisory
https://security.netapp.com/advisory/ntap-20220818-0003/ Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00601.html 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-2021-33103), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.