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CVE-2021-0146

23
FAUCET Score

CVE-2021-0146 is a hardware vulnerability in certain Intel processors that allows the activation of test or debug logic at runtime. This flaw could enable an unauthenticated attacker with physical access to potentially escalate privileges, steal cryptographic keys, or compromise system integrity. Rated 6.8 MEDIUM, the vulnerability requires physical access but has low attack complexity, leading to high impacts on confidentiality, integrity, and availability. While not listed in CISA's KEV catalog and lacking public exploit code, it has garnered significant community discussion and media coverage, indicating awareness of its potential risk.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:intel:pentium_j6426_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:intel:pentium_j4205_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:intel:pentium_j3710_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:intel:pentium_j2900_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:intel:pentium_j2850_firmware:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

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

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 68th percentile among its peer group of 1,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (4)

redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: microcode_ctl
redhatno patchvia redhat_api
Product: Red Hat Virtualization 4Fixed in: redhat-virtualization-host
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: microcode_ctl
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: microcode_ctl

Vendor Advisories (1)

redhatCVE-2021-0146Important

hw: INTEL-SA-00528

Nov 8, 2021

References

security.netapp.com / advisory/ntap-20211210-0006
Third Party Advisory
intel.com / content/www/us/en/security-center/advisory/intel-sa-00528.html
Vendor Advisory