high
7.8
CWE
20
Advisory Published
Updated

CVE-2021-46771: Input Validation

First published: Tue May 10 2022(Updated: )

Insufficient validation of addresses in AMD Secure Processor (ASP) firmware system call may potentially lead to arbitrary code execution by a compromised user application.

Credit: psirt@amd.com

Affected SoftwareAffected VersionHow to fix
AMD EPYC 7763 Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7763 Firmware
AMD EPYC 7713P Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7713P Firmware
AMD EPYC 7713P Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7713 Firmware
AMD EPYC 7663 Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7663 Firmware
AMD EPYC 7643P Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7643 Firmware
AMD EPYC 75F3 Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 75F3 Firmware
AMD EPYC 7543P Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7543P Firmware
Amd Epyc Server Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7543 Firmware
AMD EPYC 7513 Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7513 Firmware
Amd Epyc Server Firmware<milanpi-sp3_1.0.0.4
AMD EPYC Server
AMD EPYC 74F3 Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 74F3 Firmware
AMD EPYC 7443P Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7443P Firmware
AMD EPYC 7443P Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7443P
AMD EPYC 7413 Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7413 Firmware
AMD EPYC 73F3 Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 73F3 Firmware
Amd Epyc Server Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7343 Firmware
AMD EPYC 7313P Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7313P Firmware
AMD EPYC Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7313 Firmware
AMD EPYC 72F3 Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 72F3 Firmware
AMD EPYC 7773X Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7773X Firmware
AMD EPYC 7473X Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7473X Firmware
AMD EPYC 7573X Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7573X Firmware
AMD EPYC 7373X Firmware<milanpi-sp3_1.0.0.4
AMD EPYC 7373X Firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-46771?

    The severity of CVE-2021-46771 is high with a severity value of 7.8.

  • How can CVE-2021-46771 potentially be exploited?

    CVE-2021-46771 can potentially be exploited through arbitrary code execution by a compromised user application.

  • Which software versions are affected by CVE-2021-46771?

    The affected software versions of CVE-2021-46771 are Amd Epyc 7763 Firmware (up to exclusive version milanpi-sp3_1.0.0.4) and Amd Epyc 7713p Firmware (up to exclusive version milanpi-sp3_1.0.0.4).

  • How can I fix CVE-2021-46771?

    To fix CVE-2021-46771, it is recommended to apply the necessary patches and updates provided by AMD.

  • Where can I find more information about CVE-2021-46771?

    More information about CVE-2021-46771 can be found on the AMD Product Security Bulletin at the following link: [AMD Product Security Bulletin](https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021).

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