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Vulnerability record · CVE-2021-0188 · published 12 May 2022

CVE-2021-0188: Intel xeon e3-1558l v5 firmware memory buffer overflow vulnerability

Intel · Xeon E3 1558l V5 Firmware

Return of pointer value outside of expected range 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 0.28% · top 81.3% CWE-119 · Memory buffer overflow
7.8CVSS 3.1 base score, v2 7.2
0.28%EPSS exploitation probability, 30 days
NoNot in CISA KEV
37Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Return of pointer value outside of expected range 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

37 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.

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 0.28%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-2019-0124Intel core i7-6970hq firmware vulnerabilityInsufficient memory protection in Intel(R) 6th Generation Core Processors and greater, supporting TXT, may allow a privileged user to potentially ena…EPSS 0.36%7.8CVE-2019-0123Intel core i7-6970hq firmware vulnerabilityInsufficient memory protection in Intel(R) 6th Generation Core Processors and greater, supporting SGX, may allow a privileged user to potentially ena…EPSS 0.38%6.7CVE-2019-0151Intel xeon e-2276m firmware memory buffer overflow vulnerabilityInsufficient memory protection in Intel(R) TXT for certain Intel(R) Core Processors and Intel(R) Xeon(R) Processors may allow a privileged user to po…EPSS 0.39%5.5CVE-2022-21180Intel xeon e3-1585 v5 firmware improper input validation vulnerabilityImproper input validation for some Intel(R) Processors may allow an authenticated user to potentially cause a denial of service via local access.EPSS 0.32%5.5CVE-2019-0184Intel core i7-8700b firmware vulnerabilityInsufficient access control in protected memory subsystem for Intel(R) TXT for 6th, 7th, 8th and 9th Generation Intel(R) Core(TM) Processor Families;…EPSS 0.35%5.5CVE-2019-0154Canonical ubuntu linux vulnerabilityInsufficient access control in subsystem for Intel (R) processor graphics in 6th, 7th, 8th and 9th Generation Intel(R) Core(TM) Processor Families; I…EPSS 0.65%

Source: NIST National Vulnerability Database (record CVE-2021-0188), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.