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2021.1 IPU – Intel® Processor Advisory

Intel ID: INTEL-SA-00464
Advisory Category: Firmware
Impact of vulnerability: Information Disclosure
Severity rating: MEDIUM
Original release: 06/08/2021
Last revised: 06/08/2021


Potential security vulnerabilities in some Intel® Processors may allow information disclosure.  Intel is releasing firmware updates to mitigate these potential vulnerabilities.

Vulnerability Details:

CVEID:  CVE-2020-24511

Description: Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

CVSS Base Score: 5.6 Medium

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


CVEID: CVE-2020-24512

Description: Observable timing discrepancy in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

CVSS Base Score: 2.8 Low


Affected Products:

A list of impacted products can be found here.


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

Intel has released microcode updates for the affected Intel® Processors that are currently supported on the public github repository. Please see details below on access to the microcode: 

GitHub*: Public Github:


Intel would like to thank Travis Downs for reporting the issue CVE-2020-24512.

Intel would like to thank Joseph Nuzman for reporting the issue CVE-2020-24511.

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 06/08/2021 Initial Release

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