CVE-2020-7489

Name: CVE-2020-7489
Creator: NVD / NIST
Published: 2020-04-22T19:15:11.777+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.54%

Last modified Jun 17, 2026

CVE-2020-7489 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability exists on EcoStruxure Machine Expert – Basic or SoMachine Basic programming software (versions in security notification). The result of this vulnerability, DLL substitution, could allow the transference of malicious code to the controller.. EPSS estimates a 1.54% chance of exploitation in the next 30 days.

Description

A CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability exists on EcoStruxure Machine Expert – Basic or SoMachine Basic programming software (versions in security notification). The result of this vulnerability, DLL substitution, could allow the transference of malicious code to the controller.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.54%

71.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Schneider-Electric	Ecostruxure Machine Expert	All versions
Schneider-Electric	Somachine Basic	All versions
Schneider-Electric	Modicon M100 Firmware	All versions
Schneider-Electric	Modicon M200 Firmware	All versions
Schneider-Electric	Modicon M221 Firmware	All versions

References

https://www.se.com/ww/en/download/document/SEVD-2020-105-01Patch, Vendor Advisory
https://www.se.com/ww/en/download/document/SEVD-2020-105-01Patch, Vendor Advisory

Timeline

Published: Apr 22, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7489?

How severe is CVE-2020-7489?

CVE-2020-7489 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.54% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7489?

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-2020-7489?

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

Scan your code now

Source: NVD / NIST