CVE-2019-6808: Critical severity modicon premium firmware vulnerability

Published May 22, 2019
·
Updated

A CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a remote code execution by overwriting configuration settings of the controller over Modbus.

Affected Software

8 affected components
Schneider-electric Modicon Premium Firmware<=3.20
Schneider-electric Modicon Premium
Schneider-electric Modicon Quantum Firmware<=3.60
Schneider-electric Modicon Quantum
Schneider-electric Modicon M340 Firmware<3.10
Schneider-electric Modicon M340
Schneider-electric Modicon M580 Firmware<2.90
Schneider-electric Modicon M580

Event History

May 22, 2019
CVE Published
via MITRE·08:05 PM
Data Sourced
via MITRE·08:05 PM
DescriptionWeakness
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Frequently Asked Questions

1

What is CVE-2019-6808?

CVE-2019-6808 is a vulnerability that exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium, which could cause remote code execution by overwriting configuration settings of the controller over Modbus.

2

How severe is CVE-2019-6808?

CVE-2019-6808 has a severity rating of 9.8 on a scale of 1 to 10.

3

Which software versions are affected by CVE-2019-6808?

All versions of Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium are affected by CVE-2019-6808.

4

How can CVE-2019-6808 be fixed?

To fix CVE-2019-6808, it is recommended to update to the latest version of the affected software.

5

Where can I find more information about CVE-2019-6808?

More information about CVE-2019-6808 can be found at the following references: [Reference 1](https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/) and [Reference 2](https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0771).

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