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Vulnerability record · CVE-2021-0146 · published 17 November 2021

CVE-2021-0146: Intel pentium j6426 firmware vulnerability

Intel · Pentium J6426 Firmware

Hardware allows activation of test or debug logic at runtime for some Intel(R) processors which may allow an unauthenticated user to potentially enable escalation of privilege via physical access.

6.8 CVSS 3.1 Medium EPSS 0.44% · top 64.4%
6.8CVSS 3.1 base score, v2 4.6
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
72Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Hardware allows activation of test or debug logic at runtime for some Intel(R) processors which may allow an unauthenticated user to potentially enable escalation of privilege via physical access.

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

Affected products

72 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

Track CVE-2021-0146 inside VULONE

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Related vulnerabilities

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

8.0CVE-2023-25756Intel atom x6200fe firmware out-of-bounds read vulnerabilityOut-of-bounds read in the BIOS firmware for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege vi…EPSS 0.40%6.7CVE-2020-0599Intel pentium j6425 firmware vulnerabilityImproper access control in the PMC for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local a…EPSS 0.33%6.4CVE-2022-21198Intel celeron 1000m firmware toctou race condition vulnerabilityTime-of-check time-of-use race condition in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalati…EPSS 0.15%5.5CVE-2022-21233Intel pentium j4205 firmware vulnerabilityImproper isolation of shared resources in some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local…EPSS 0.32%5.5CVE-2022-21151Intel celeron n6210 firmware vulnerabilityProcessor optimization removal or modification of security-critical code for some Intel(R) Processors may allow an authenticated user to potentially …EPSS 0.36%4.4CVE-2022-43505Intel pentium j6426 firmware vulnerabilityInsufficient control flow management in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable denial of se…EPSS 0.17%4.4CVE-2022-27879Intel pentium j6426 firmware memory buffer overflow vulnerabilityImproper buffer restrictions in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable information disclosu…EPSS 0.18%4.4CVE-2019-0120Intel j5005 firmware insufficiently protected credentials vulnerabilityInsufficient key protection vulnerability in silicon reference firmware for Intel(R) Pentium(R) Processor J Series, Intel(R) Pentium(R) Processor N S…EPSS 0.35%

Source: NIST National Vulnerability Database (record CVE-2021-0146), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.