CVE-2020-12358

Name: CVE-2020-12358
Creator: NVD / NIST
Published: 2021-06-09T19:15:08.62+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.30%

Last modified Jun 17, 2026

CVE-2020-12358 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. Out of bounds write in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable denial of service via local access.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

Out of bounds write in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable denial of service via local access.

Metrics

CVSS 3.1

4.4/10

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

EPSS Probability

0.30%

21.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Intel	Bios	All versions
Siemens	Simatic Ipc547g Firmware	All versions
Netapp	Cloud Backup	All versions
Netapp	Aff Bios	All versions
Netapp	E-Series Bios	All versions
Netapp	Fas Bios	All versions
Netapp	Hci Compute Node Bios	All versions
Netapp	Hci Storage Node Bios	All versions
Netapp	Solidfire Bios	All versions

References

https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdfPatch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20210702-0002/Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00463.htmlVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdfPatch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20210702-0002/Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00463.htmlVendor Advisory

Timeline

Published: Jun 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12358?

Out of bounds write in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable denial of service via local access.

How severe is CVE-2020-12358?

CVE-2020-12358 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12358?

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-2020-12358?

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

Scan your code now

Source: NVD / NIST