CVE-2020-8671

Name: CVE-2020-8671
Creator: NVD / NIST
Published: 2020-10-05T14:15:13.873+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2020-8671 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Insufficient control flow management in BIOS firmware 8th, 9th Generation Intel(R) Core(TM) Processors and Intel(R) Celeron(R) Processor 4000 Series may allow an authenticated user to potentially enable information disclosure via local access.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

Insufficient control flow management in BIOS firmware 8th, 9th Generation Intel(R) Core(TM) Processors and Intel(R) Celeron(R) Processor 4000 Series may allow an authenticated user to potentially enable information disclosure via local access.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.32%

23.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Intel	Bios	All versions

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00356.htmlVendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00356.htmlVendor Advisory

Timeline

Published: Oct 5, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8671?

How severe is CVE-2020-8671?

CVE-2020-8671 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8671?

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-2020-8671?

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

Scan your code now

Source: NVD / NIST