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
Amd Epyc 7713p Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7713p
Amd Epyc 7713 Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7713
Amd Epyc 7663 Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7663
Amd Epyc 7643 Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7643
Amd Epyc 75f3 Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 75f3
Amd Epyc 7543p Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7543p
Amd Epyc 7543 Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7543
Amd Epyc 7513 Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7513
Amd Epyc 7453 Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7453
Amd Epyc 74f3 Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 74f3
Amd Epyc 7443p Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7443p
Amd Epyc 7443 Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7443
Amd Epyc 7413 Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7413
Amd Epyc 73f3 Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 73f3
Amd Epyc 7343 Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7343
Amd Epyc 7313p Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7313p
Amd Epyc 7313 Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7313
Amd Epyc 72f3 Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 72f3
Amd Epyc 7773x Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7773x
Amd Epyc 7473x Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7473x
Amd Epyc 7573x Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7573x
Amd Epyc 7373x Firmware<milanpi-sp3_1.0.0.4
Amd Epyc 7373x

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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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