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Vulnerability record · CVE-2021-33123 · published 12 May 2022

CVE-2021-33123: Intel xeon bronze 3206r firmware vulnerability

Intel · Xeon Bronze 3206r Firmware

Improper access control 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.

7.8 CVSS 3.1 High EPSS 0.26% · top 84.2%
7.8CVSS 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

Improper access control 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:L/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.

8.2CVE-2019-11137Intel xeon platinum 8253 firmware improper input validation vulnerabilityInsufficient input validation in system firmware for Intel(R) Xeon(R) Scalable Processors, Intel(R) Xeon(R) Processors D Family, Intel(R) Xeon(R) Pro…EPSS 0.38%7.8CVE-2023-23583Intel core i3-10100y firmware incorrect default permissions vulnerabilitySequence of processor instructions leads to unexpected behavior for some Intel(R) Processors may allow an authenticated user to potentially enable es…EPSS 1.7%7.8CVE-2021-0159Intel xeon bronze 3204 firmware improper input validation vulnerabilityImproper input validation in the BIOS authenticated code module for some Intel(R) Processors may allow a privileged user to potentially enable aescal…EPSS 0.27%7.8CVE-2021-0189Intel xeon e3-1558l v5 firmware memory buffer overflow vulnerabilityUse of out-of-range pointer offset in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of…EPSS 0.27%7.8CVE-2021-0154Intel xeon e-2314 firmware improper input validation vulnerabilityImproper input validation in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privileg…EPSS 0.27%7.8CVE-2021-0116Netapp cloud backup out-of-bounds write vulnerabilityOut-of-bounds write in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable an escalation of privilege via loc…EPSS 0.30%7.8CVE-2021-0117Netapp cloud backup vulnerabilityPointer issues in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable an escalation of privilege via local ac…EPSS 0.30%7.8CVE-2021-0156Netapp cloud backup improper input validation vulnerabilityImproper input validation in the firmware for some Intel(R) Processors may allow an authenticated user to potentially enable an escalation of privile…EPSS 0.30%

Source: NIST National Vulnerability Database (record CVE-2021-33123), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.