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CVE-2021-33089

HIGH
7.8
CVSS Score
Published: November 17, 2021 at 06:56 PM UTC
Updated: June 17, 2026 at 03:54 AM UTC
4 products affected across 1 vendorNUC HDMI Firmware Update ToolNuc Kit Nuc8I5BeNuc Kit Nuc8I7Be

Using Intel(R) NUC HDMI Firmware Update Tool for NUC8i3BE, NUC8i5BE, NUC8i7BE by N/A?

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%

Description

Improper access control in the software installer for the Intel(R) NUC HDMI Firmware Update Tool for NUC8i3BE, NUC8i5BE, NUC8i7BE before version 1.78.4.0.4 may allow an authenticated user to potentially enable escalation of privilege via local access.

Affected

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

NUC HDMI Firmware Update Tool· Intel
95%
v < 1.78.4.0.4
Affected range stops below 1.78.4.0.4, so it looks safe — our inference, not a vendor statement
intel-nuc-kit-nuc8i3be (environment) · intel-nuc-kit-nuc8i5be (environment) · intel-nuc-kit-nuc8i7be (environment)
Nuc Kit Nuc8I3Be· Inteldevice
80%
All versions
Nuc Kit Nuc8I5Be· Inteldevice
80%
All versions
Nuc Kit Nuc8I7Be· Inteldevice
80%
All versions

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)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00568.html

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-Other

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