CVE-2020-12336 Privilege escalation in Intel(R) NUCs
An authenticated local attacker can escalate privileges due to insecure default variable initialization in Intel NUC firmware.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-12336?
CVE-2020-12336 is a high-severity vulnerability in Intel(R) NUCs, published on 12 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Insecure default variable initialization in firmware for some Intel(R) NUCs may allow an authenticated user to potentially enable escalation of privilege via local access.
Weakness: CWE-1188
Which versions are affected by CVE-2020-12336?
It affects 23 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, Intel Nuc 8 Pro Board Nuc8i3pnb Firmware, Intel Nuc 8 Pro Kit Nuc8i3pnh Firmware and 17 more.
How do I fix CVE-2020-12336?
No fix has been published for CVE-2020-12336 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-12336 being exploited?
There is no known exploitation of CVE-2020-12336 in the wild and no public exploit code.
Other vulnerabilities in Intel(R) NUCs
Sources
Also known as GHSA-ghrw-v987-jh96.