CVE-2020-0590

Name: CVE-2020-0590
Creator: NVD / NIST
Published: 2020-11-12T18:15:13.157+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.42%

Last modified Jun 17, 2026

CVE-2020-0590 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Improper input validation in BIOS firmware for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege via local access.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

Improper input validation in BIOS firmware for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege via local access.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.42%

33.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Intel	Xeon Bronze 3206r Firmware	All versions
Intel	Xeon Gold 5218r Firmware	All versions
Intel	Xeon Gold 5220r Firmware	All versions
Intel	Xeon Gold 6208u Firmware	All versions
Intel	Xeon Gold 6226r Firmware	All versions
Intel	Xeon Gold 6230r Firmware	All versions
Intel	Xeon Gold 6238r Firmware	All versions
Intel	Xeon Gold 6240r Firmware	All versions
Intel	Xeon Gold 6242r Firmware	All versions
Intel	Xeon Gold 6246r Firmware	All versions
Intel	Xeon Gold 6248r Firmware	All versions
Intel	Xeon Gold 6250 Firmware	All versions
Intel	Xeon Gold 6250l Firmware	All versions
Intel	Xeon Gold 6256 Firmware	All versions
Intel	Xeon Gold 6258r Firmware	All versions
Intel	Xeon Silver 4210r Firmware	All versions
Intel	Xeon Silver 4210t Firmware	All versions
Intel	Xeon Silver 4214r Firmware	All versions
Intel	Xeon Silver 4215r Firmware	All versions
Intel	Xeon Platinum 9221 Firmware	All versions
Intel	Xeon Platinum 9222 Firmware	All versions
Intel	Xeon Bronze 3204 Firmware	All versions
Intel	Xeon Gold 5215 Firmware	All versions
Intel	Xeon Gold 5215l Firmware	All versions
Intel	Xeon Gold 5217 Firmware	All versions
Intel	Xeon Gold 5218 Firmware	All versions
Intel	Xeon Gold 5218b Firmware	All versions
Intel	Xeon Gold 5218n Firmware	All versions
Intel	Xeon Gold 5218t Firmware	All versions
Intel	Xeon Gold 5220 Firmware	All versions
Intel	Xeon Gold 5220s Firmware	All versions
Intel	Xeon Gold 5220t Firmware	All versions
Intel	Xeon Gold 5222 Firmware	All versions
Intel	Xeon Gold 6209u Firmware	All versions
Intel	Xeon Gold 6210u Firmware	All versions
Intel	Xeon Gold 6212u Firmware	All versions
Intel	Xeon Gold 6222v Firmware	All versions
Intel	Xeon Gold 6226 Firmware	All versions
Intel	Xeon Gold 6230 Firmware	All versions
Intel	Xeon Gold 6230n Firmware	All versions
Intel	Xeon Gold 6230t Firmware	All versions
Intel	Xeon Gold 6234 Firmware	All versions
Intel	Xeon Gold 6238 Firmware	All versions
Intel	Xeon Gold 6238l Firmware	All versions
Intel	Xeon Gold 6238t Firmware	All versions
Intel	Xeon Gold 6240 Firmware	All versions
Intel	Xeon Gold 6240l Firmware	All versions
Intel	Xeon Gold 6240y Firmware	All versions
Intel	Xeon Gold 6242 Firmware	All versions
Intel	Xeon Gold 6244 Firmware	All versions

Showing 50 of 137 affected configurations. See NVD for the full list.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-678983.pdfPatch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20201113-0001/Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00358Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-678983.pdfPatch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20201113-0001/Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00358Vendor Advisory

Timeline

Published: Nov 12, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-0590?

Improper input validation in BIOS firmware for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege via local access.

How severe is CVE-2020-0590?

CVE-2020-0590 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2020-0590?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-0590?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST