Read the docs
TI-2023-12942 Aliases CVE-2023-28396GHSA-m54w-cv8c-p4x8

Improper access control in Intel Thunderbol Controllers versions

Priority LOW 26CWE-284Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

Improper access control in firmware for some Intel(R) Thunderbol(TM) Controllers versions before 41 may allow a privileged user to enable denial of service via local access.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00166 5th percentileScored 2026-11-07
Fix Fixed Intel(R) Thunderbol(TM) Controllers versions: 41

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
—Intel(R) Thunderbol(TM) Controllers versionsbefore 4141Patch availableCNA
  • Intel(R) Thunderbol(TM) Controllers versions Vendor— Affected before 41 Fixed in 41 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:intel:jhl8440_firmware:*:*:*:*:*:*:*:*before 41VulnerableIntel
cpe:2.3:h:intel:jhl8440:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
  • cpe:2.3:o:intel:jhl8440_firmware:*:*:*:*:*:*:*:* Versions before 41 Vulnerable ·Intel
  • cpe:2.3:h:intel:jhl8440:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel

Remediation

  • Fix · CNA Intel(R) Thunderbol(TM) Controllers versions Fixed in 41

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-28396
  2. 2026-10-03 Alias added: GHSA-m54w-cv8c-p4x8

References

Advisory 1

Sources

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