TI-2023-20952 Aliases CVE-2023-40067 GHSA-grh8-rg86-h558

Unchecked return value in firmware for some Intel(R) CSME may allow an unauthenticated…

LOW 27CWE-252Published 2024-08-14 · Updated 2025-11-03

Key facts

Attack vector: Physical
Privileges required: None
User interaction: None
Attack complexity: High
Attack requirements: Present
Impact type: —
Confidentiality · integrity · availability: None · High · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Unchecked return value in firmware for some Intel(R) CSME may allow an unauthenticated user to potentially enable escalation of privilege via physical access.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00209 11th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	Intel(R) CSME	See references	—	No fix listed	CNA

Intel(R) CSME Vendor— Affected See references Fixed in — No fix listed CNA

CPE names CISA-ADP · 1

CPE	Versions	Role	Vendor
cpe:2.3:o:intel:converged_security_management_engine_firmware:-:::::::*	not specified by CISA-ADP	—	Intel

cpe:2.3:o:intel:converged_security_management_engine_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-40067
2026-10-03 Alias added: GHSA-grh8-rg86-h558

References

Other 1

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00999.html

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences