CVE-2019-6819

moderate-risk
Published 2019-05-22

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists which could cause a possible Denial of Service when specific Modbus frames are sent to the controller in the products: Modicon M340 - firmware versions prior to V3.01, Modicon M580 - firmware versions prior to V2.80, All firmware versions of Modicon Quantum and Modicon Premium.

Do I need to act?

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0.47% 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 (4)

Affected Vendors

Schneider-Electric

References (4)

Broken Link http://www.securityfocus.com/bid/109004
Vendor Advisory https://www.schneider-electric.com/en/download/document/SEVD-2019-134-05/
Broken Link http://www.securityfocus.com/bid/109004
Vendor Advisory https://www.schneider-electric.com/en/download/document/SEVD-2019-134-05/
38
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 10/34 · Low