---
id: CVE-2021-0146
title: >-
  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.
summary: >-
  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.
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
vendor: intel
product: pentium_j6426_firmware
affected:
  - pentium_j6426_firmware
  - pentium_j4205_firmware
  - pentium_j3710_firmware
  - pentium_j2900_firmware
  - pentium_j2850_firmware
  - celeron_j6412_firmware
  - celeron_j6413_firmware
  - celeron_j4125_firmware
  - celeron_j4025_firmware
  - celeron_j3355e_firmware
  - celeron_j3455e_firmware
  - celeron_j4105_firmware
  - celeron_j4005_firmware
  - celeron_j3455_firmware
  - celeron_j3355_firmware
  - celeron_j3160_firmware
  - celeron_j3060_firmware
  - celeron_j1800_firmware
  - celeron_j1900_firmware
  - celeron_j1850_firmware
  - celeron_j1750_firmware
  - celeron_n6210_firmware
  - celeron_n4505_firmware
  - celeron_n4500_firmware
  - celeron_n5105_firmware
  - celeron_n5100_firmware
  - celeron_n6211_firmware
  - celeron_n4120_firmware
  - celeron_n4020_firmware
  - celeron_n3350e_firmware
  - celeron_n4000_firmware
  - celeron_n4100_firmware
  - celeron_n3350_firmware
  - celeron_n3450_firmware
  - celeron_n3060_firmware
  - celeron_n3160_firmware
  - celeron_n3010_firmware
  - celeron_n3000_firmware
  - celeron_n3050_firmware
  - celeron_n3150_firmware
  - celeron_n2808_firmware
  - celeron_n2840_firmware
  - celeron_n2940_firmware
  - celeron_n2807_firmware
  - celeron_n2830_firmware
  - celeron_n2930_firmware
  - celeron_n2806_firmware
  - celeron_n2920_firmware
  - celeron_n2820_firmware
  - celeron_n2815_firmware
  - celeron_n2805_firmware
  - celeron_n2810_firmware
  - celeron_n2910_firmware
  - atom_x5-e3930_firmware
  - atom_x5-e3940_firmware
  - atom_x7-e3950_firmware
  - pentium_n6415_firmware
  - pentium_n4200_firmware
  - pentium_n3710_firmware
  - pentium_n4200e_firmware
  - pentium_n3700_firmware
  - pentium_n3540_firmware
  - pentium_n3530_firmware
  - pentium_n3520_firmware
  - pentium_n3510_firmware
  - pentium_silver_n6005_firmware
  - pentium_silver_n6000_firmware
  - pentium_silver_j5040_firmware
  - pentium_silver_n5030_firmware
  - pentium_silver_j5005_firmware
  - pentium_silver_n5000_firmware
  - atom_c3000_firmware
published: '2021-11-17'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T22:17:04.500'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-0146'
references:
  - url: 'https://security.netapp.com/advisory/ntap-20211210-0006/'
    label: secure@intel.com
  - url: >-
      https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00528.html
    label: secure@intel.com
  - url: 'https://security.netapp.com/advisory/ntap-20211210-0006/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00528.html
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00438
epssPercentile: 0.3604
ingestedAt: '2026-10-08T23:16:47.325Z'
---

## Overview

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.

## Affected

- `pentium_j6426_firmware`
- `pentium_j4205_firmware`
- `pentium_j3710_firmware`
- `pentium_j2900_firmware`
- `pentium_j2850_firmware`
- `celeron_j6412_firmware`
- `celeron_j6413_firmware`
- `celeron_j4125_firmware`
- `celeron_j4025_firmware`
- `celeron_j3355e_firmware`
- `celeron_j3455e_firmware`
- `celeron_j4105_firmware`
- `celeron_j4005_firmware`
- `celeron_j3455_firmware`
- `celeron_j3355_firmware`
- `celeron_j3160_firmware`
- `celeron_j3060_firmware`
- `celeron_j1800_firmware`
- `celeron_j1900_firmware`
- `celeron_j1850_firmware`
- `celeron_j1750_firmware`
- `celeron_n6210_firmware`
- `celeron_n4505_firmware`
- `celeron_n4500_firmware`
- `celeron_n5105_firmware`
- `celeron_n5100_firmware`
- `celeron_n6211_firmware`
- `celeron_n4120_firmware`
- `celeron_n4020_firmware`
- `celeron_n3350e_firmware`
- `celeron_n4000_firmware`
- `celeron_n4100_firmware`
- `celeron_n3350_firmware`
- `celeron_n3450_firmware`
- `celeron_n3060_firmware`
- `celeron_n3160_firmware`
- `celeron_n3010_firmware`
- `celeron_n3000_firmware`
- `celeron_n3050_firmware`
- `celeron_n3150_firmware`
- `celeron_n2808_firmware`
- `celeron_n2840_firmware`
- `celeron_n2940_firmware`
- `celeron_n2807_firmware`
- `celeron_n2830_firmware`
- `celeron_n2930_firmware`
- `celeron_n2806_firmware`
- `celeron_n2920_firmware`
- `celeron_n2820_firmware`
- `celeron_n2815_firmware`
- `celeron_n2805_firmware`
- `celeron_n2810_firmware`
- `celeron_n2910_firmware`
- `atom_x5-e3930_firmware`
- `atom_x5-e3940_firmware`
- `atom_x7-e3950_firmware`
- `pentium_n6415_firmware`
- `pentium_n4200_firmware`
- `pentium_n3710_firmware`
- `pentium_n4200e_firmware`
- `pentium_n3700_firmware`
- `pentium_n3540_firmware`
- `pentium_n3530_firmware`
- `pentium_n3520_firmware`
- `pentium_n3510_firmware`
- `pentium_silver_n6005_firmware`
- `pentium_silver_n6000_firmware`
- `pentium_silver_j5040_firmware`
- `pentium_silver_n5030_firmware`
- `pentium_silver_j5005_firmware`
- `pentium_silver_n5000_firmware`
- `atom_c3000_firmware`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.