CVE-2019-6846: Schneider Electric Modicon 140cra Firmware

Medium severity, CVSS 6.5. EPSS: 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 BMxCRA and 140CRA modules (all firmware versions), which could cause information disclosure when using the FTP protocol.

Affected products

• Schneider Electric Modicon 140cra Firmware: any version
• Schneider Electric Modicon Bmxcra Firmware: any version
• Schneider Electric Modicon m340 Firmware: any version
• Schneider Electric Modicon m580 Firmware: any version

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