CVE-2019-6856

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium (see security notification for specific versions) which could cause a Denial of Service when writing specific physical memory blocks using Modbus TCP.

Date published : 2020-01-06

https://www.se.com/ww/en/download/document/SEVD-2019-344-01

https://www.us-cert.gov/ics/advisories/icsa-20-016-01