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Vulnerability record · CVE-2020-7487 · published 22 April 2020

CVE-2020-7487: Schneider-electric ecostruxure machine expert insufficient verification of data authenticity vulnerability

Schneider Electric · Ecostruxure Machine Expert

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.

9.8 CVSS 3.1 Critical EPSS 0.69% · top 49.1% CWE-345 · Insufficient verification of data authenticity
9.8CVSS 3.1 base score, v2 7.5
0.69%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

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

Affected products

7 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-7489Schneider-electric ecostruxure machine expert injection vulnerabilityA CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability exists on EcoStruxure Mach…EPSS 1.6%9.8CVE-2017-6028Schneider-electric modicon m241 firmware insufficiently protected credentials vulnerabilityAn Insufficiently Protected Credentials issue was discovered in Schneider Electric Modicon PLCs Modicon M241, all firmware versions, and Modicon M251…EPSS 2.3%9.1CVE-2021-22704Schneider-electric vijeo designer path traversal vulnerabilityA CWE-22: Improper Limitation of a Pathname to a Restricted Directory vulnerability exists in Harmony/HMI Products Configured by Vijeo Designer (all …EPSS 1.3%9.1CVE-2017-6026Schneider-electric modicon m251 firmware vulnerabilityA Use of Insufficiently Random Values issue was discovered in Schneider Electric Modicon PLCs Modicon M241, firmware versions prior to Version 4.0.5.…EPSS 32%8.2CVE-2019-6820Schneider-electric modicon m100 firmware missing authentication for critical function vulnerabilityA CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration (IP address,…EPSS 1.3%7.8CVE-2021-22705Schneider-electric vijeo designer memory buffer overflow vulnerabilityImproper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause denial of service or unauthorized acces…EPSS 0.25%7.5CVE-2021-22800Schneider-electric modicon m218 firmware improper input validation vulnerabilityA CWE-20: Improper Input Validation vulnerability exists that could cause a Denial of Service when a crafted packet is sent to the controller over ne…EPSS 1.0%7.5CVE-2021-22699Schneider-electric modicon m241 firmware improper input validation vulnerabilityImproper Input Validation vulnerability exists in Modicon M241/M251 logic controllers firmware prior to V5.1.9.1 that could cause denial of service w…EPSS 0.98%

Source: NIST National Vulnerability Database (record CVE-2020-7487), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.