Improper access control in the software installer for the Intel(R) NUC HDMI Firmware…
Priority LOW 34Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.00246 15th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Intel(R) NUC HDMI Firmware Update Tool for NUC8i3BE, NUC8i5BE, NUC8i7BE | before version 1.78.4.0.4 | — | No fix listed | CNA |
- Intel(R) NUC HDMI Firmware Update Tool for NUC8i3BE, NUC8i5BE, NUC8i7BE Vendor— Affected before version 1.78.4.0.4 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:intel:nuc_hdmi_firmware_update_tool:*:*:*:*:*:*:*:* | before 1.78.4.0.4 | Vulnerable | Intel |
| cpe:2.3:h:intel:nuc_kit_nuc8i3be:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:nuc_kit_nuc8i5be:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:nuc_kit_nuc8i7be:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
- cpe:2.3:a:intel:nuc_hdmi_firmware_update_tool:*:*:*:*:*:*:*:* Versions before 1.78.4.0.4 Vulnerable ·Intel
- cpe:2.3:h:intel:nuc_kit_nuc8i3be:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
- cpe:2.3:h:intel:nuc_kit_nuc8i5be:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
- cpe:2.3:h:intel:nuc_kit_nuc8i7be:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-33089
- 2026-10-03 Alias added: GHSA-jrxq-c3fc-77xr
References
More Intel Nuc Hdmi Firmware Update Tool vulnerabilities
- TI-2022-19513 Incorrect default permissions in Intel HDMI Firmware Update Tool for NUC CVSS 3.1HIGH 7.8
- TI-2022-05563 Uncontrolled search path in Intel HDMI Firmware Update tool for NUC CVSS 3.1HIGH 7.3
- TI-2021-12677 Incorrect default permissions in Intel NUC HDMI Firmware Update Tool for NUC10i3FN… CVSS 3.1HIGH 7.8
Sources
- CVE-2021-33089 · CVE Program
- CVE-2021-33089 · NVD
- FIRST EPSS
- GHSA-jrxq-c3fc-77xr · GitHub Advisory Database · CC BY 4.0
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