What is CVE-2020-12967?

CVE-2020-12967 is a vulnerability in the AMD SEV/SEV-ES feature that allows arbitrary code execution within the guest VM.

How can the lack of nested page table protection in AMD SEV/SEV-ES feature be exploited?

The lack of nested page table protection can be exploited by a malicious administrator who has access to compromise the server hypervisor.

What is the severity of CVE-2020-12967?

CVE-2020-12967 has a severity rating of critical.

Which software products are affected by CVE-2020-12967?

The software products affected by CVE-2020-12967 include AMD Epyc processors and Microsoft Windows 11.

Where can I find more information about CVE-2020-12967?

You can find more information about CVE-2020-12967 on the AMD Product Security Bulletin website.

Vulnerability/
CVE-2020-12967

critical

CWE

13/5/2021

16/9/2024

CVE-2020-12967: AMD Secure Encrypted Virtualization

First published: Thu May 13 2021(Updated: )

The lack of nested page table protection in the AMD SEV/SEV-ES feature could potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to compromise the server hypervisor.

Credit: psirt@amd.com

Affected Software	Affected Version	How to fix
Amd Epyc 7232p
Amd Epyc 7251
Amd Epyc 7252
Amd Epyc 7261
Amd Epyc 7262
Amd Epyc 7272
Amd Epyc 7281
Amd Epyc 7282
Amd Epyc 72f3
Amd Epyc 7301
Amd Epyc 7302
Amd Epyc 7302p
Amd Epyc 7313
Amd Epyc 7313p
Amd Epyc 7343
Amd Epyc 7351
Amd Epyc 7351p
Amd Epyc 7352
Amd Epyc 7371
Amd Epyc 73f3
Amd Epyc 7401
Amd Epyc 7401p
Amd Epyc 7402
Amd Epyc 7402p
Amd Epyc 7413
Amd Epyc 7443
Amd Epyc 7443p
Amd Epyc 7451
Amd Epyc 7452
Amd Epyc 7453
Amd Epyc 74f3
Amd Epyc 7501
Amd Epyc 7502
Amd Epyc 7502p
Amd Epyc 7513
Amd Epyc 7532
Amd Epyc 7542
Amd Epyc 7543
Amd Epyc 7543p
Amd Epyc 7551
Amd Epyc 7551p
Amd Epyc 7552
Amd Epyc 75f3
Amd Epyc 7601
Amd Epyc 7642
Amd Epyc 7643
Amd Epyc 7662
Amd Epyc 7663
Amd Epyc 7702
Amd Epyc 7702p
Amd Epyc 7713
Amd Epyc 7713p
Amd Epyc 7742
Amd Epyc 7763
Amd Epyc 7f32
Amd Epyc 7f52
Amd Epyc 7f72
Amd Epyc 7h12
Amd Epyc Embedded 3101
Amd Epyc Embedded 3151
Amd Epyc Embedded 3201
Amd Epyc Embedded 3251
Amd Epyc Embedded 3255
Amd Epyc Embedded 3351
Amd Epyc Embedded 3451

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Reference Links

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1004

Frequently Asked Questions

What is CVE-2020-12967?
CVE-2020-12967 is a vulnerability in the AMD SEV/SEV-ES feature that allows arbitrary code execution within the guest VM.
How can the lack of nested page table protection in AMD SEV/SEV-ES feature be exploited?
The lack of nested page table protection can be exploited by a malicious administrator who has access to compromise the server hypervisor.
What is the severity of CVE-2020-12967?
CVE-2020-12967 has a severity rating of critical.
Which software products are affected by CVE-2020-12967?
The software products affected by CVE-2020-12967 include AMD Epyc processors and Microsoft Windows 11.
Where can I find more information about CVE-2020-12967?
You can find more information about CVE-2020-12967 on the AMD Product Security Bulletin website.