CVE-2019-6847: Medium severity schneider electric modicon m580 firmware vulnerability

Published 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 FTP service when upgrading the firmware with a version incompatible with the application in the controller using FTP protocol.

Affected Software

8 affected components
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

Event History

Oct 29, 2019
CVE Published
via MITRE·02:52 PM
Data Sourced
via MITRE·02:52 PM
DescriptionWeakness
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Frequently Asked Questions

1

What is CVE-2019-6847?

CVE-2019-6847 is a vulnerability that exists in Modicon M580, Modicon M340, Modicon BMxCRA, and 140CRA modules, which could cause a Denial of Service attack on the FTP service when upgrading the firmware with a version incompatible with the application.

2

What is the severity of CVE-2019-6847?

The severity of CVE-2019-6847 is medium with a CVSS score of 4.9.

3

Which software is affected by CVE-2019-6847?

Modicon M580, Modicon M340, Modicon BMxCRA, and 140CRA modules are affected by CVE-2019-6847.

4

How can CVE-2019-6847 be exploited?

CVE-2019-6847 can be exploited by upgrading the firmware with a version incompatible with the application, causing a Denial of Service attack on the FTP service.

5

How can I fix CVE-2019-6847?

To fix CVE-2019-6847, it is recommended to update the firmware to a compatible version that addresses the vulnerability.

Contact

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