CVE-2020-7567

MEDIUM
5.7
CVSS Score
Published: November 19, 2020 at 09:10 PM UTC
Updated: June 17, 2026 at 03:25 AM UTC
3 products affected across 1 vendorModicon M221 FirmwareModicon M221Electric Modicon M221

Using Modicon M221, all references, all versions by N/A?

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Severity
MEDIUM5.7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

A CWE-311: Missing Encryption of Sensitive Data vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to find the password hash when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller and broke the encryption keys.

Affected

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

All versions
schneider-electric-modicon-m221 (same device)

Remediation

No guide yet

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

References (2)

x_refsource_MISCThird Party AdvisoryUS Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

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

Quick Info

StatusMODIFIED
CWE
CWE-311

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