How severe is CVE-2021-0146?

CVE-2021-0146 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-0146 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-0146?

CVE-2021-0146 primarily affects Intel Pentium J6426 Firmware. In total, 72 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-0146?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-0146 published?

CVE-2021-0146 was published on 2021-11-17 and last updated on 2026-06-17.

CVE-2021-0146

CVE-2021-0146 is a medium-severity vulnerability in Intel Pentium J6426 Firmware with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Intel Pentium J6426 Firmware
Published: 2021-11-17
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-0146?: 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.
How severe is CVE-2021-0146?: CVE-2021-0146 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-0146 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-0146?: CVE-2021-0146 primarily affects Intel Pentium J6426 Firmware. In total, 72 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-0146?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-0146 published?: CVE-2021-0146 was published on 2021-11-17 and last updated on 2026-06-17.

References

Affected products (72)

cpe:2.3:o:intel:pentium_j6426_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:pentium_j4205_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:pentium_j3710_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:pentium_j2900_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:pentium_j2850_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j6412_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j6413_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j4125_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j4025_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j3355e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j3455e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j4105_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j4005_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j3455_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j3355_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j3160_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j3060_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j1800_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j1900_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j1850_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_j1750_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n6210_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n4505_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n4500_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n5105_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n5100_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n6211_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n4120_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n4020_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n3350e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n4000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n4100_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n3350_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n3450_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n3060_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n3160_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n3010_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n3000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n3050_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:celeron_n3150_firmware:-:*:*:*:*:*:*:*

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