CVE-2018-7849: High severity schneider electric modicon m580 firmware vulnerability

Published May 22, 2019
·
Updated

A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium which could cause a possible Denial of Service due to improper data integrity check when sending files the controller over Modbus.

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 Quantum Firmware
Schneider-electric Modicon Quantum
Schneider-electric Modicon Premium Firmware
Schneider-electric Modicon Premium

Event History

May 22, 2019
CVE Published
via MITRE·07:58 PM
Data Sourced
via MITRE·07:58 PM
DescriptionWeakness
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Frequently Asked Questions

1

What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2018-7849.

2

What is the severity of CVE-2018-7849?

The severity of CVE-2018-7849 is high with a severity value of 7.5.

3

Which software is affected by CVE-2018-7849?

All versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium are affected by CVE-2018-7849.

4

How does CVE-2018-7849 impact the affected software?

CVE-2018-7849 could cause a possible Denial of Service due to improper data integrity check when sending files to the controller over Modbus.

5

Is there a fix available for CVE-2018-7849?

To fix CVE-2018-7849, it is recommended to refer to the vendor's advisory and apply any patches or updates as provided.

Contact

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