CVE-2020-7487

CRITICAL
9.8
CVSS Score
Published: April 22, 2020 at 06:50 PM UTC
Updated: June 17, 2026 at 03:24 AM UTC
11 products affected across 1 vendorModicon M241 FirmwareModicon M251 FirmwareModicon M258 Firmware

Using EcoStruxure Machine Expert (all versions)SoMachine, SoMachine Motion (all versions)Modicon M218 Logic Controller (all versions)Modicon M241 Logic Controller (all versions)Modicon M251 Logic Controller (all versions)Modicon M258 Logic Controller (all versions) by N/A?

Get instant alerts when new vulnerabilities affect EcoStruxure Machine Expert (all versions)SoMachine, SoMachine Motion (all versions)Modicon M218 Logic Controller (all versions)Modicon M241 Logic Controller (all versions)Modicon M251 Logic Controller (all versions)Modicon M258 Logic Controller (all versions) - before attackers find them.

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Severity
CRITICAL9.8
Exploit prediction
EPSS 0.7%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
schneider-electric-modicon-m218 (same device)
All versions
schneider-electric-modicon-m241 (same device)
All versions
schneider-electric-modicon-m251 (same device)
All versions
schneider-electric-modicon-m258 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-345

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