CVE-2018-8934

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Published Mar 22, 2018 CVSS 3.0 · 9.0 Critical EPSS 1.8% KEV · Not listed

Description

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

Analysis

No analysis available yet

Affected Products

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 remediation available yet

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.

Metrics

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.

Exploit prediction score: 1.8% (1.750% probability within 30 days)

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

Weaknesses

NVD-CWE-noinfo

Sources

CVE record Updated: Aug 5, 2024, 7:10 AM

Status: PUBLISHED
Assigner: mitre
Published: Mar 22, 2018, 2:00 PM
Updated: Aug 5, 2024, 7:10 AM
Reserved: Mar 22, 2018, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 2:05 AM

Status: Modified
Published: Mar 22, 2018, 2:29 PM
Modified: Jun 17, 2026, 2:05 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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