CVE-2019-6813

moderate-risk
Published 2019-09-17

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.

Do I need to act?

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0.51% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (2)

Bmxnor0200H Firmware

Affected Vendors

Schneider-Electric

References (6)

Third Party Advisory https://security.cse.iitk.ac.in/responsible-disclosure
Vendor Advisory https://www.schneider-electric.com/en/download/document/SEVD-2019-225-02/
Vendor Advisory https://www.schneider-electric.com/en/download/document/SEVD-2019-225-03/
Third Party Advisory https://security.cse.iitk.ac.in/responsible-disclosure
Vendor Advisory https://www.schneider-electric.com/en/download/document/SEVD-2019-225-02/
Vendor Advisory https://www.schneider-electric.com/en/download/document/SEVD-2019-225-03/
35
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 7/34 · Low