What is the vulnerability ID of this issue?

The vulnerability ID of this issue is CVE-2019-6844.

What is the severity level of CVE-2019-6844?

The severity level of CVE-2019-6844 is medium.

Which software is affected by CVE-2019-6844?

The Modicon M580, Modicon M340, Modicon BMxCRA, and 140CRA modules are affected by CVE-2019-6844.

Is there a fix available for CVE-2019-6844?

To fix CVE-2019-6844, it is recommended to update the firmware to a version that addresses the vulnerability.

Vulnerability/
CVE-2019-6844

medium

4.9

CWE

755

29/10/2019

3/2/2022

CVE-2019-6844

First published: Tue Oct 29 2019(Updated: )

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service atack on the PLC when upgrading the controller with a firmware package containing an invalid web server image using FTP protocol.

Credit: cybersecurity@se.com

Affected Software	Affected Version	How to fix
Schneider-electric Modicon M580 Firmware
Schneider-electric Modicon M580
Schneider-electric Modicon M340 Firmware
Schneider-electric Modicon M340
Schneider-electric Modicon Bmxcra Firmware
Schneider-electric Modicon Bmxcra
Schneider-electric Modicon 140cra Firmware
Schneider-electric Modicon 140cra

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Reference Links

https://www.se.com/ww/en/download/document/SEVD-2019-281-02/

Frequently Asked Questions

What is the vulnerability ID of this issue?
The vulnerability ID of this issue is CVE-2019-6844.
What is the severity level of CVE-2019-6844?
The severity level of CVE-2019-6844 is medium.
Which software is affected by CVE-2019-6844?
The Modicon M580, Modicon M340, Modicon BMxCRA, and 140CRA modules are affected by CVE-2019-6844.
What is the impact of CVE-2019-6844?
CVE-2019-6844 could cause a Denial of Service attack on the PLC when upgrading the controller with a firmware package containing an invalid web.
Is there a fix available for CVE-2019-6844?
To fix CVE-2019-6844, it is recommended to update the firmware to a version that addresses the vulnerability.

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