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CVE-2023-28396

MEDIUM
6.1
CVSS Score
Published: February 14, 2024 at 01:37 PM UTC
Updated: June 17, 2026 at 05:47 AM UTC
2 products affected across 1 vendorJHL8440 FirmwareThunderbolt Controller

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

JHL8440 Firmware· Intel
95%
v < 41
intel-jhl8440 (same device)
Thunderbolt Controller· Intel
60%
v < 41
Affected range stops below 41, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00895.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMintel
Attack Vector
LOCAL
Complexity
HIGH
Privileges
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-284

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