CVE-2019-6844CWE-755

CVE-2019-6844: vulnerability in Modicon M580, Modicon M340, and Modicon BMxCRA…

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3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 1.0%
A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service atack on the PLC when upgrading the controller with a firmware package containing an invalid web server image using FTP protocol.
Affected products
n/a · Modicon M580, Modicon M340, and Modicon BMxCRA / 140CRA modules (see notification for version info)