CVE-2023-6408: Schneider Electric Ecostruxure Control Expert

High severity, CVSS 8.1. EPSS: 0.3% chance of exploitation in the next 30 days.

CWE-924: Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerability exists that could cause a denial of service and loss of confidentiality, integrity of controllers when conducting a Man in the Middle attack.

Affected products

• Schneider Electric Ecostruxure Control Expert: before 16.0 (fixed in 16.0)
• Schneider Electric Ecostruxure Process Expert: before 2023 (fixed in 2023)
• Schneider Electric Modicon m340 BMXP341000 Firmware: before 3.60 (fixed in 3.60)
• Schneider Electric Modicon m340 BMXP341000H Firmware: before 3.60 (fixed in 3.60)
• Schneider Electric Modicon m340 BMXP342000 Firmware: before 3.60 (fixed in 3.60)
• Schneider Electric Modicon m340 BMXP3420102 Firmware: before 3.60 (fixed in 3.60)
• Schneider Electric Modicon m340 BMXP3420102CL Firmware: before 3.60 (fixed in 3.60)
• Schneider Electric Modicon m340 BMXP342010 Firmware: before 3.60 (fixed in 3.60)
• Schneider Electric Modicon m340 BMXP342020 Firmware: before 3.60 (fixed in 3.60)
• Schneider Electric Modicon m340 BMXP342020H Firmware: before 3.60 (fixed in 3.60)
• Schneider Electric Modicon m340 BMXP3420302 Firmware: before 3.60 (fixed in 3.60)
• Schneider Electric Modicon m340 BMXP3420302CL Firmware: before 3.60 (fixed in 3.60)
• Schneider Electric Modicon m340 BMXP3420302H Firmware: before 3.60 (fixed in 3.60)
• Schneider Electric Modicon m340 BMXP342030 Firmware: before 3.60 (fixed in 3.60)
• Schneider Electric Modicon m340 BMXP342030H Firmware: before 3.60 (fixed in 3.60)
• Schneider Electric Modicon m580 BMEH582040 Firmware: before 4.20 (fixed in 4.20)
• Schneider Electric Modicon m580 BMEH582040C Firmware: before 4.20 (fixed in 4.20)
• Schneider Electric Modicon m580 BMEH582040S Firmware: before 4.21 (fixed in 4.21)
• Schneider Electric Modicon m580 BMEH584040 Firmware: before 4.20 (fixed in 4.20)
• Schneider Electric Modicon m580 BMEH584040C Firmware: before 4.20 (fixed in 4.20)
• Schneider Electric Modicon m580 BMEH584040S Firmware: before 4.21 (fixed in 4.21)
• Schneider Electric Modicon m580 BMEH586040 Firmware: before 4.20 (fixed in 4.20)
• Schneider Electric Modicon m580 BMEH586040C Firmware: before 4.20 (fixed in 4.20)
• Schneider Electric Modicon m580 BMEH586040S Firmware: before 4.21 (fixed in 4.21)
• Schneider Electric Modicon m580 BMEP581020 Firmware: before 4.20 (fixed in 4.20)
• and 21 more

Published 2024-02-14. Last modified 2026-06-17.