CVE-2020-8704

Name: CVE-2020-8704
Creator: NVD / NIST
Published: 2021-06-09T19:15:09.263+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.4/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2020-8704 is a medium-severity vulnerability rated 6.4/10 on the CVSS scale. Race condition in a subsystem in the Intel(R) LMS versions before 2039.1.0.0 may allow a privileged user to potentially enable escalation of privilege via local access.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

Race condition in a subsystem in the Intel(R) LMS versions before 2039.1.0.0 may allow a privileged user to potentially enable escalation of privilege via local access.

Metrics

CVSS 3.1

6.4/10

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

EPSS Probability

0.21%

10.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-362

Affected Software

Vendor	Product	Versions
Intel	Local Manageability Service	< 2039.1.0.0
Siemens	Simatic Field Pg M5 Firmware	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 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://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://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-2020-8704?

Race condition in a subsystem in the Intel(R) LMS versions before 2039.1.0.0 may allow a privileged user to potentially enable escalation of privilege via local access.

How severe is CVE-2020-8704?

CVE-2020-8704 has a CVSS score of 6.4/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8704?

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-2020-8704?

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

Scan your code now

Source: NVD / NIST