What is the vulnerability ID of this vulnerability?

The vulnerability ID of this vulnerability is CVE-2019-6842.

What is the severity level of CVE-2019-6842?

The severity level of CVE-2019-6842 is medium.

Is there a fix available for this vulnerability?

Please refer to the vendor's website for information on available fixes.

Vulnerability/
CVE-2019-6842

medium

4.9

CWE

755

29/10/2019

3/2/2022

CVE-2019-6842

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 attack on the PLC when upgrading the firmware with a missing web server image inside the package 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 vulnerability?
The vulnerability ID of this vulnerability is CVE-2019-6842.
What is the severity level of CVE-2019-6842?
The severity level of CVE-2019-6842 is medium.
Which software is affected by this vulnerability?
The Modicon M580, Modicon M340, Modicon BMxCRA, and 140CRA modules (all firmware versions) are affected by this vulnerability.
What is the risk of this vulnerability?
This vulnerability could cause a Denial of Service attack on the PLC when upgrading the firmware with a missing web server image inside the package.
Is there a fix available for this vulnerability?
Please refer to the vendor's website for information on available fixes.

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