What’s Vulnerable › Vulnerabilities

CVE-2019-6813

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-09-17 · updated 2026-06-17
• Weakness: CWE-754

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.

Affected products

• Schneider Electric SE BMXNOR0200H Ethernet / Serial RTU module: all versions
• Schneider-Electric Modicon M340 Firmware: all versions

References

• https://security.cse.iitk.ac.in/responsible-disclosure
• https://www.schneider-electric.com/en/download/document/SEVD-2019-225-02/
• https://www.schneider-electric.com/en/download/document/SEVD-2019-225-03/
• https://security.cse.iitk.ac.in/responsible-disclosure
• https://www.schneider-electric.com/en/download/document/SEVD-2019-225-02/
• https://www.schneider-electric.com/en/download/document/SEVD-2019-225-03/

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