A vulnerability in a subsystem in Intel CSME before version 11.21.55, Intel Server…
Priority LOW 32Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
A vulnerability in a subsystem in Intel CSME before version 11.21.55, Intel Server Platform Services before version 4.0 and Intel Trusted Execution Engine Firmware before version 3.1.55 may allow an unauthenticated user to potentially modify or disclose information via physical access.
Why it matters now
EPSS 0.00464 40th 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 |
|---|---|---|---|---|---|
| Intel | Intel(R) CSME before version 11.21.55, Intel(R) Server Platform Services before version 4.0 and Intel(R) Trusted Execution Engine Firmware | Versions before 11.21.55, 4.0 and 3.1.55. | — | No fix listed | CNA |
- Intel(R) CSME before version 11.21.55, Intel(R) Server Platform Services before version 4.0 and Intel(R) Trusted Execution Engine Firmware VendorIntel Affected Versions before 11.21.55, 4.0 and 3.1.55. Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:intel:converged_security_management_engine_firmware:*:*:*:*:*:*:*:* | 11.0 – 11.8.50; 11.10 – 11.11.50; 11.20 – 11.21.51 | Vulnerable | Intel |
| cpe:2.3:o:intel:server_platform_services_firmware:*:*:*:*:*:*:*:* | before 4.0 | Vulnerable | Intel |
| cpe:2.3:o:intel:trusted_execution_engine_firmware:*:*:*:*:*:*:*:* | 3.0 – 3.1.50 | Vulnerable | Intel |
- cpe:2.3:o:intel:converged_security_management_engine_firmware:*:*:*:*:*:*:*:* Versions 11.0 – 11.8.50; 11.10 – 11.11.50; 11.20 – 11.21.51 Vulnerable ·Intel
- cpe:2.3:o:intel:server_platform_services_firmware:*:*:*:*:*:*:*:* Versions before 4.0 Vulnerable ·Intel
- cpe:2.3:o:intel:trusted_execution_engine_firmware:*:*:*:*:*:*:*:* Versions 3.0 – 3.1.50 Vulnerable ·Intel
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-3655
- 2026-10-03 Alias added: GHSA-734w-96m8-gvgp
References
More Intel Converged Security Management Engine Firmware vulnerabilities
- TI-2019-00133 Memory corruption in Intel Converged Security & Management Engine CVSS 3.0CRITICAL 9.8
- TI-2022-16731 Improper input validation in Intel AMT and Intel Standard Manageability in Intel CSME CVSS 3.1HIGH 8.6
- TI-2019-00147 Out-of-bounds write in Intel TXE CVSS 3.1HIGH 8.8
- TI-2020-00518 Improper input validation in Intel CSME CVSS 3.1HIGH 7.5
- TI-2020-00520 Improper input validation in Intel CSME CVSS 3.1HIGH 7.5
- TI-2018-02667 A vulnerability in Power Management Controller firmware in systems using specific… CVSS 3.0HIGH 8.2
Sources
- CVE-2018-3655 · CVE Program
- CVE-2018-3655 · NVD
- FIRST EPSS
- GHSA-734w-96m8-gvgp · GitHub Advisory Database · CC BY 4.0
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