CVE-2019-6821

Name of the Vulnerable Software and Affected Versions Modicon M580 versions prior to V2.30 Modicon M340 (affected versions not specified) Modicon Premium (affected versions not specified) Modicon Quantum (affected versions not specified)

Description The issue is related to the use of insufficiently random values, which could allow a remote attacker to hijack TCP connections when using Ethernet communication.

Recommendations For Modicon M580 versions prior to V2.30, update to version V2.30 or later. For Modicon M340, Modicon Premium, and Modicon Quantum, at the moment, there is no information about a newer version that contains a fix for this vulnerability.