CVE-2020-8703

Name: CVE-2020-8703
Creator: NVD / NIST
Published: 2021-06-09T19:15:09.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2020-8703 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14.5.32 and 15.0.22 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 buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14.5.32 and 15.0.22 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-119

Affected Software

Vendor	Product	Versions
Intel	Converged Security And Manageability Engine	< 12.0.81
Intel	Converged Security And Manageability Engine	< 13.0.47
Intel	Converged Security And Manageability Engine	< 13.30.17
Intel	Converged Security And Manageability Engine	< 14.1.53
Intel	Converged Security And Manageability Engine	< 14.5.32
Intel	Converged Security And Manageability Engine	< 11.8.86
Intel	Converged Security And Manageability Engine	< 11.12.86
Intel	Converged Security And Manageability Engine	< 11.22.86
Intel	Converged Security And Manageability Engine	< 15.0.22
Netapp	Cloud Backup	All versions
Siemens	Simatic Field Pg M6 Firmware	All versions
Siemens	Simatic Field Pg M5 Firmware	All versions
Siemens	Simatic Ipc427e Firmware	All versions
Siemens	Simatic Ipc477e Firmware	All versions
Siemens	Simatic Ipc477e Pro Firmware	All versions
Siemens	Simatic Ipc527g Firmware	All versions
Siemens	Simatic Ipc547g Firmware	All versions
Siemens	Simatic Ipc627e Firmware	< 25.02.10
Siemens	Simatic Ipc647e Firmware	< 25.02.10
Siemens	Simatic Ipc677e Firmware	< 25.02.10
Siemens	Simatic Ipc847e Firmware	< 25.02.10
Siemens	Simatic Itp1000 Firmware	All versions

References

https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdfThird Party Advisory
https://security.netapp.com/advisory/ntap-20210611-0004/Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00459.htmlVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdfThird Party Advisory
https://security.netapp.com/advisory/ntap-20210611-0004/Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00459.htmlVendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-8703?

How severe is CVE-2020-8703?

CVE-2020-8703 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-2020-8703?

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-2020-8703?

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

Scan your code now

Source: NVD / NIST