CVE-2021-33164 Privilege escalation in Intel(R) NUCs
A privileged local user can escalate privileges due to improper access control in Intel NUC BIOS firmware.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-33164?
CVE-2021-33164 is a high-severity vulnerability in Intel(R) NUCs, published on 11 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2021-33164?
It affects 4 products.
Products include Intel Nuc 8 Mainstream-G Kit Nuc8i5inh Firmware, Intel Nuc 8 Mainstream-G Kit Nuc8i7inh Firmware, Intel Nuc 8 Mainstream-G Mini Pc Nuc8i5inh Firmware, Intel Nuc 8 Mainstream-G Mini Pc Nuc8i7inh Firmware.
How do I fix CVE-2021-33164?
No fix has been published for CVE-2021-33164 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-33164 being exploited?
There is no known exploitation of CVE-2021-33164 in the wild and no public exploit code.
Other vulnerabilities in Intel(R) NUCs
Sources
Also known as GHSA-6pv7-xxv2-qw55.