CVE-2019-6841
First published: Tue Oct 29 2019(Updated: )
A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580 with firmware (version prior to V3.10), Modicon M340 (all firmware versions), and Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service attack on the PLC when upgrading the firmware with no firmware 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
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID is CVE-2019-6841.
What is the severity of CVE-2019-6841?
The severity of CVE-2019-6841 is medium with a severity value of 4.9.
Which software versions are affected by CVE-2019-6841?
Modicon M580 with firmware versions prior to V3.10, Modicon M340 (all versions), and Modicon BMxCRA and 140CRA modules (all versions) are affected.
How can CVE-2019-6841 be exploited?
CVE-2019-6841 can be exploited to cause a Denial of Service attack on the affected PLC when upgrading firmware.
Where can I find more information about CVE-2019-6841?
More information about CVE-2019-6841 can be found at: https://www.se.com/ww/en/download/document/SEVD-2019-281-02/
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- agent/softwarecombine
- agent/first-publish-date
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- collector/mitre-cve
- source/MITRE
- vendor/schneider-electric
- canonical/schneider-electric modicon m580 firmware
- canonical/schneider-electric modicon m580
- canonical/schneider-electric modicon m340 firmware
- canonical/schneider-electric modicon m340
- canonical/schneider-electric modicon bmxcra firmware
- canonical/schneider-electric modicon bmxcra
- canonical/schneider-electric modicon 140cra firmware
- canonical/schneider-electric modicon 140cra