CVE-2018-8930

Name: CVE-2018-8930
Creator: NVD / NIST
Published: 2018-03-22T14:29:00.597+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.81%

Last modified Jun 17, 2026

CVE-2018-8930 is a vulnerability of currently unknown severity. The AMD EPYC Server, Ryzen, Ryzen Pro, and Ryzen Mobile processor chips have insufficient enforcement of Hardware Validated Boot, aka MASTERKEY-1, MASTERKEY-2, and MASTERKEY-3.. EPSS estimates a 1.81% chance of exploitation in the next 30 days.

Description

The AMD EPYC Server, Ryzen, Ryzen Pro, and Ryzen Mobile processor chips have insufficient enforcement of Hardware Validated Boot, aka MASTERKEY-1, MASTERKEY-2, and MASTERKEY-3.

Metrics

EPSS Probability

1.81%

75.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Amd	Ryzen Mobile Firmware	All versions
Amd	Ryzen Pro Firmware	All versions
Amd	Epyc Server Firmware	All versions
Amd	Ryzen Firmware	All versions

References

https://amdflaws.com/Third Party Advisory
https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/Third Party Advisory
https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-researchVendor Advisory
https://safefirmware.com/amdflaws_whitepaper.pdfThird Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03841en_us
https://amdflaws.com/Third Party Advisory
https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/Third Party Advisory
https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-researchVendor Advisory
https://safefirmware.com/amdflaws_whitepaper.pdfThird Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03841en_us

Timeline

Published: Mar 22, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-8930?

The AMD EPYC Server, Ryzen, Ryzen Pro, and Ryzen Mobile processor chips have insufficient enforcement of Hardware Validated Boot, aka MASTERKEY-1, MASTERKEY-2, and MASTERKEY-3.

How severe is CVE-2018-8930?

Severity scoring for CVE-2018-8930 is pending analysis. The EPSS model estimates a 1.81% probability of exploitation in the next 30 days.

How do I fix CVE-2018-8930?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-8930?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST