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Vulnerability record · CVE-2021-0189 · published 12 May 2022

CVE-2021-0189: Intel xeon e3-1558l v5 firmware memory buffer overflow vulnerability

Intel · Xeon E3 1558l V5 Firmware

Use 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 privilege via local access.

7.8 CVSS 3.1 High EPSS 0.27% · top 82.1% CWE-119 · Memory buffer overflow
7.8CVSS 3.1 base score, v2 7.2
0.27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
150Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Use 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 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-2022-33894Intel 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 escalation of privilege…EPSS 0.25%7.8CVE-2021-33123Intel xeon bronze 3206r firmware vulnerabilityImproper access control in the BIOS authenticated code module for some Intel(R) Processors may allow a privileged user to potentially enable aescalat…EPSS 0.26%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-2021-0154Intel 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-2021-0189), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.