Headline

CVE-2021-0146: INTEL-SA-00528

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

2 years ago

CVE

Open in Source

#vulnerability #web

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Intel® Processor Advisory

**Summary: **

A potential security vulnerability in some Intel® Processors may allow escalation of privilege. Intel is releasing firmware updates to mitigate this potential vulnerability.

Vulnerability Details:

CVEID: CVE-2021-0146

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

CVSS Base Score: 7.1 High

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

Affected Products:

Segment

Chipset/SOC or Processor

CPU ID

Platform ID

Desktop, Mobile

Intel® Pentium® Processor J Series, N Series

Intel® Celeron® Processor J Series, N Series

Intel® Atom® Processor A Series

Intel® Atom® Processor E3900 Series

506C9

Embedded

Intel® Pentium® Processor N Series

Intel® Celeron® Processor N Series

Intel® Atom® Processor E3900 Series

506CA

Desktop, Mobile

Intel® Pentium® Processor Silver Series/ J&N Series

706A1

Desktop, Mobile

Intel® Pentium® Processor Silver Series/ J&N Series - Refresh

706A8

Embedded

Intel® Atom® Processor C3000

506F1

Recommendations:

Intel recommends that users of affected Intel® Processors update to the latest version provided by the system manufacturer that addresses these issues.

**Acknowledgements: **

This vulnerability was researched and reported by Mark Ermolov and Dmitry Sklyarov (Positive Technologies) and Maxim Goryachy (independent).

Intel would like to thank its employees Chandni Bhowmik and Ilya Wagner for identifying and developing the Proof of Concept (POC) for CVE-2021-0146 on Intel® Pentium® Processor Silver Series/ J&N Series and Intel® Pentium® Processor Silver Series/ J&N Series Refresh Processor Family.

Intel, and nearly the entire technology industry, follows a disclosure practice called Coordinated Disclosure, under which a cybersecurity vulnerability is generally publicly disclosed only after mitigations are available.

Revision History

Revision

Date

Description

1.0

11/09/2021

Initial Release

Legal Notices and Disclaimers

Intel provides these materials as-is, with no express or implied warranties.

All products, dates, and figures specified are preliminary based on current expectations, and are subject to change without notice.

Intel, processors, chipsets, and desktop boards may contain design defects or errors known as errata, which may cause the product to deviate from published specifications. Current characterized errata are available on request.

Intel technologies’ features and benefits depend on system configuration and may require enabled hardware, software or service activation. Performance varies depending on system configuration. No computer system can be absolutely secure. Check with your system manufacturer or retailer or learn more at https://intel.com.

Some results have been estimated or simulated using internal Intel analysis or architecture simulation or modeling, and provided to you for informational purposes. Any differences in your system hardware, software or configuration may affect your actual performance.

Intel and the Intel logo are trademarks of Intel Corporation in the United States and other countries.

*Other names and brands may be claimed as the property of others.
Copyright © Intel Corporation 2020

Report a Vulnerability

If you have information about a security issue or vulnerability with an Intel branded product or technology, please send an e-mail to [email protected]. Encrypt sensitive information using our PGP public key.

Please provide as much information as possible, including:

The products and versions affected
Detailed description of the vulnerability
Information on known exploits

A member of the Intel Product Security Team will review your e-mail and contact you to collaborate on resolving the issue. For more information on how Intel works to resolve security issues, see: