Improper Access Control in Modicon Controllers by Schneider Electric
CVE-2019-6808

9.8CRITICAL

Key Information:

Vendor

Schneider Electric
Status
Modicon M580 Modicon M340 Modicon Quantum Modicon Premium
Vendor
CVE Published:
22 May 2019

What is CVE-2019-6808?

An improper access control vulnerability exists in all versions of Schneider Electric's Modicon M580, M340, Quantum, and Premium controllers. This flaw allows an attacker to remotely execute code by manipulating configuration settings via the Modbus protocol. Exploitation of this vulnerability could lead to significant disruptions in automation processes, unauthorized access, and potential physical damages. Organizations using these controllers should apply available updates and restrict access to prevent exploitation.

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Affected Version(s)

Modicon M580 Modicon M340 Modicon Quantum Modicon Premium Modicon M580 Modicon M340 Modicon Quantum Modicon Premium

References

https://www.schneider-electric.com/en/download/document/S...
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https://www.talosintelligence.com/vulnerability_reports/T...
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CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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