The AMD EPYC Server, Ryzen, Ryzen Pro, and Ryzen Mobile processor chips have insufficient…
Priority MEDIUM 42Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.0175 77th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:amd:ryzen_mobile_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_mobile:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_pro_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen_pro:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_server_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_server:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:ryzen_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | AMD |
| cpe:2.3:h:amd:ryzen:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
- cpe:2.3:o:amd:ryzen_mobile_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_mobile:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_pro_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen_pro:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_server_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_server:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:ryzen_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·AMD
- cpe:2.3:h:amd:ryzen:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-8930
- 2026-10-03 Alias added: GHSA-v58q-66pp-gf6r
References
Advisory 4
More AMD Epyc Server Firmware vulnerabilities
- TI-2018-06474 The AMD EPYC Server, Ryzen, Ryzen Pro, and Ryzen Mobile processor chips allow Platform… CVSS 3.0CRITICAL 9.0
- TI-2018-06471 The AMD EPYC Server processor chips have insufficient access control for protected memory… CVSS 3.0CRITICAL 9.0
Sources
- CVE-2018-8930 · CVE Program
- CVE-2018-8930 · NVD
- FIRST EPSS
- GHSA-v58q-66pp-gf6r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences