CVE-2020-12357

Name: CVE-2020-12357
Creator: NVD / NIST
Published: 2021-06-09T19:15:08.59+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2020-12357 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. Improper initialization in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

Improper initialization in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Metrics

CVSS 3.1

6.7/10

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

EPSS Probability

0.35%

26.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-665

Affected Software

Vendor	Product	Versions
Intel	Bios	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
Siemens	Simatic Field Pg M6 Firmware	All versions
Siemens	Simatic Ipc427e Firmware	All versions
Siemens	Simatic Ipc477e Firmware	All versions
Siemens	Simatic Ipc477e Pro Firmware	All versions
Siemens	Simatic Ipc547g Firmware	All versions
Siemens	Simatic Ipc627e Firmware	All versions
Siemens	Simatic Ipc647e Firmware	All versions
Siemens	Simatic Ipc677e Firmware	All versions
Siemens	Simatic Ipc847e Firmware	All versions
Siemens	Simatic Itp1000 Firmware	All versions
Siemens	Simatic Cpu 1518-4 Firmware	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-2020-12357?

Improper initialization in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

How severe is CVE-2020-12357?

CVE-2020-12357 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12357?

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-2020-12357?

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

Scan your code now

Source: NVD / NIST