Improper access control in firmware for some Intel(R) Thunderbol(TM) Controllers versions before 41 may allow a privileged user to enable d…

published 2024-02-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-32092

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

intel jhl8440_firmware 41

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-08-14)

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.1	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:H

Affected products

n/a Intel(R) Thunderbol(TM) Controllers versions

Classification

Weakness

CWE-284 Improper Access Control

References

intel.com /content/www/us/en/security-center/advisory/intel-sa-00895.html
vendor-advisory

Sources

CVE List CVE-2023-28396
NVD CVE-2023-28396

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary