CVE-2020-7487

Name: CVE-2020-7487
Creator: NVD / NIST
Published: 2020-04-22T19:15:11.653+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.68%

Last modified Jun 17, 2026

CVE-2020-7487 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists which could allow the attacker to execute malicious code on the Modicon M218, M241, M251, and M258 controllers.. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

Description

A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists which could allow the attacker to execute malicious code on the Modicon M218, M241, M251, and M258 controllers.

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

0.68%

47.5th 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	All versions
Schneider-Electric	Somachine Motion	All versions
Schneider-Electric	Modicon M218 Firmware	All versions
Schneider-Electric	Modicon M241 Firmware	All versions
Schneider-Electric	Modicon M251 Firmware	All versions
Schneider-Electric	Modicon M258 Firmware	All versions

References

https://www.se.com/ww/en/download/document/SEVD-2020-105-02Vendor Advisory
https://www.se.com/ww/en/download/document/SEVD-2020-105-02Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-7487?

A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists which could allow the attacker to execute malicious code on the Modicon M218, M241, M251, and M258 controllers.

How severe is CVE-2020-7487?

CVE-2020-7487 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7487?

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-2020-7487?

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

Scan your code now

Source: NVD / NIST