CVE-2021-33164
Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may...
Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged 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
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user to potentially enable escalation of privilege via local access.
- Record
CVE-2021-33164- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
EUVDEUVD-2021-19879
Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user to potentially enable escalation of privilege via local access.
- Record
EUVD-2021-19879- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6pv7-xxv2-qw55
Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may...
Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user to potentially enable escalation of privilege via local access.
- Record
GHSA-6pv7-xxv2-qw55- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
NVD
Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user to potentially enable escalation of privilege via local access.
- Record
CVE-2021-33164- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33164 is a high vulnerability (CVSS 8.2) in Bios Firmware Intel R Nucs, published November 11, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 10th percentile. No source names a fixed version.