CVE-2020-12336

7.8 HIGH 0.3% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2020-11-12 19:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 02:51 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.3% in the next 30 days (EPSS).
Severity: 7.8 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2020-11-12 19:15 UTC
Last modified: 2026-06-17 02:51 UTC
Exploit probability: 0.3% · EPSS, next 30 days
Weakness: CWE-1188
Record status: Modified

Affected

Intel Nuc 8 mainstream-g Kit nuc8i5inh Firmware inwhl357.0036
Intel Nuc 8 mainstream-g Kit nuc8i7inh Firmware inwhl357.0036
Intel Nuc 8 mainstream-g Mini Pc nuc8i5inh Firmware inwhl357.0036
Intel Nuc 8 mainstream-g Mini Pc nuc8i7inh Firmware inwhl357.0036
Intel Nuc 8 Pro Board nuc8i3pnb Firmware pnwhl357.0037
Intel Nuc 8 Pro Kit nuc8i3pnh Firmware pnwhl357.0037
Intel Nuc 8 Pro Kit nuc8i3pnk Firmware pnwhl357.0037
Intel Nuc 8 Pro Mini Pc nuc8i3pnk Firmware pnwhl357.0037

Attack profile CVSS 3.1 · 7.8

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2020-12336.md and follow it. Check whether this project is affected by CVE-2020-12336. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record