CVE-2018-8934 - Vulnerability Details - OpenCVE

Description

The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in firmware, aka CHIMERA-FW.

Published: 2018-03-22

Score: 9.0 Critical

EPSS: 1.8% Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:amd:ryzen_pro_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:amd:ryzen_pro:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:amd:ryzen_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:amd:ryzen:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2018-20542	The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in firmware, aka CHIMERA-FW.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.0175.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://amdflaws.com/
https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/
https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research
https://safefirmware.com/amdflaws_whitepaper.pdf

History

No history.

Subscriptions

Amd Ryzen Ryzen Firmware Ryzen Pro Ryzen Pro Firmware

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2018-03-22T14:00:00.000Z

Updated: 2024-08-05T07:10:46.982Z

Reserved: 2018-03-22T00:00:00.000Z

Link: CVE-2018-8934

Vulnrichment

No data.

NVD

Status : Modified

Published: 2018-03-22T14:29:00.863

Modified: 2026-06-17T02:05:40.960

Link: CVE-2018-8934

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-noinfo

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