CVE-2021-33089
Improper access control in the software installer for the Intel(R) NUC HDMI Firmware Update Tool...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-33089- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-33089- Updated
- 2026-11-02
EUVDEUVD-2021-19804 No score
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.
- Record
EUVD-2021-19804- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jrxq-c3fc-77xr
Improper access control in the software installer for the Intel(R) NUC HDMI Firmware Update Tool...
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.
- Record
GHSA-jrxq-c3fc-77xr- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33089 is a high vulnerability (CVSS 7.8) in Intel Nuc Hdmi Firmware Update Tool, published November 17, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 15th percentile. No source names a fixed version.