CVE-2023-6408

HighCVSS 8.1/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-924

Affected software

VendorProductVersions
Schneider ElectricModicon M340 CPU (part numbers BMXP34*)Versions prior to sv3.60
Schneider ElectricModicon M580 CPU (part numbers BMEP* and BMEH*, excluding M580 CPU Safety)Versions prior to sv4.20
Schneider ElectricModicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S)All Versions
Schneider ElectricEcoStruxure Control ExpertVersions prior to v16.0
Schneider ElectricEcoStruxure Process ExpertVersions prior to v2023
schneider-electricmodicon_m580_bmep585040_firmware< 4.20
schneider-electricmodicon_m340_bmxp342030h_firmware< 3.60
schneider-electricmodicon_m580_bmeh586040s_firmware< *

References

Timeline

Published
Feb 14, 2024
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2023-6408: High severity, CVSS 8.1 | Vulnix