CVE-2019-6813: High severity schneider electric modicon m340 firmware vulnerability

Published Sep 17, 2019
·
Updated

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in BMXNOR0200H Ethernet / Serial RTU module (all firmware versions) and Modicon M340 controller (all firmware versions), which could cause denial of service when truncated SNMP packets on port 161/UDP are received by the device.

Affected Software

4 affected components
Schneider-electric Modicon M340 Firmware
Schneider-electric Modicon M340
Schneider-electric Bmxnor0200h Firmware
Schneider-electric Bmxnor0200h

Event History

Sep 17, 2019
CVE Published
via MITRE·07:56 PM
Data Sourced
via MITRE·07:56 PM
DescriptionWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2019-6813?

The severity of CVE-2019-6813 is high with a severity value of 7.5.

2

Which software versions are affected by CVE-2019-6813?

The BMXNOR0200H Ethernet / Serial RTU module and Modicon M340 controller, with all firmware versions, are affected by CVE-2019-6813.

3

What is the vulnerability type of CVE-2019-6813?

CVE-2019-6813 is a CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability.

4

How can CVE-2019-6813 be exploited?

CVE-2019-6813 can be exploited by sending truncated SNMP packets on port 161/UDP.

5

Are there any fixes or patches available for CVE-2019-6813?

Yes, please refer to the reference links provided for fixes and patches for CVE-2019-6813.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203