What is the CVSS score of CVE-2018-8930?

CVE-2018-8930 has a CVSS 3.0 base score of 9.0 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 1.8%.

Ryzen Mobile Firmware CVE-2018-8930

CRITICAL

2018-03-22 cve@mitre.org

Amd Information Disclosure Ryzen Mobile Firmware Ryzen Pro Firmware Epyc Server Firmware Ryzen Firmware

9.0

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.0 CRITICAL

AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Mar 22, 2018 - 14:29 nvd

CRITICAL 9.0

DescriptionNVD

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.

AnalysisAI

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. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Technical ContextAI

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. Affected products include: Amd Ryzen Mobile Firmware, Amd Ryzen Pro Firmware, Amd Epyc Server Firmware, Amd Ryzen Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.