CVE-2019-6845: Schneider Electric Modicon m340 Firmware

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists in Modicon M580, Modicon M340, Modicon Premium , Modicon Quantum (all firmware versions), which could cause the disclosure of information when transferring applications to the controller using Modbus TCP protocol.

Affected products

• Schneider Electric Modicon m340 Firmware: any version
• Schneider Electric Modicon m580 Firmware: any version
• Schneider Electric TSXMCPC002M Firmware: any version
• Schneider Electric TSXMCPC512K Firmware: any version
• Schneider Electric TSXMFP0128P2 Firmware: any version
• Schneider Electric TSXMFP064P2 Firmware: any version
• Schneider Electric TSXMFPP001M Firmware: any version
• Schneider Electric TSXMFPP002M Firmware: any version
• Schneider Electric TSXMFPP004M Firmware: any version
• Schneider Electric TSXMFPP224K Firmware: any version
• Schneider Electric TSXMFPP384K Firmware: any version
• Schneider Electric TSXMFPP512K Firmware: any version
• Schneider Electric TSXMRPC001M Firmware: any version
• Schneider Electric TSXMRPC002M Firmware: any version
• Schneider Electric TSXMRPC003M Firmware: any version
• Schneider Electric TSXMRPC007M Firmware: any version
• Schneider Electric TSXMRPC01M7 Firmware: any version
• Schneider Electric TSXMRPC448K Firmware: any version
• Schneider Electric TSXMRPC768K Firmware: any version
• Schneider Electric TSXMRPF004M Firmware: any version
• Schneider Electric TSXMRPF008M Firmware: any version
• Schneider Electric TSXMRPP224K Firmware: any version
• Schneider Electric TSXMRPP384K Firmware: any version

Published 2019-10-29. Last modified 2026-06-17.