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CVE-2019-6813

7.5 · HIGH

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 ve…

Published Sep 17, 2019CWE-754EPSS 2.08%

Overview

CVE-2019-6813 is a high-severity vulnerability. It was published on September 17, 2019 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refsecurity.cse.iitk.ac.in/responsible-disclosureRefwww.schneider-electric.com/en/download/document/SEVD-2019-225-02/Refwww.schneider-electric.com/en/download/document/SEVD-2019-225-03/Refsecurity.cse.iitk.ac.in/responsible-disclosureRefwww.schneider-electric.com/en/download/document/SEVD-2019-225-02/Refwww.schneider-electric.com/en/download/document/SEVD-2019-225-03/

How CyberStrike helps

Frequently asked questions

What is CVE-2019-6813?

CVE-2019-6813 is a high-severity vulnerability. It was published on September 17, 2019 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2019-6813?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-6813?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-6813?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-6813 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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