What is CVE-2023-28396?

CVE-2023-28396 is a medium-severity vulnerability in Intel Jhl8440, classified under Improper Access Control. CVSS score: 6.1/10. Published 2024-02-14.

How severe is CVE-2023-28396?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Vulnerability in Intel Jhl8440

CVE-2023-28396

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.

Published 2024-02-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:H.

EPSS exploit prediction

EPSS: 0.002 (5.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Intel Jhl8440
Intel Jhl8440 Firmware
Intel(r) Thunderbol(tm) Controllers Versions — versions before 41

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00895.html (Vendor Advisory)

Frequently asked questions

What is CVE-2023-28396?: CVE-2023-28396 is a medium-severity vulnerability in Intel Jhl8440, classified under Improper Access Control. CVSS score: 6.1/10. Published 2024-02-14.
How severe is CVE-2023-28396?: Medium severity. CVSS v3 base score is 6.1 out of 10.