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OpenAdvisories
High · 7.5 CVE-2021-22786 EUVD-2021-9921GHSA-c8j6-69w9-74h6

A CWE-200: Information Exposure vulnerability exists that could cause the exposure of sensitive information stored on the memory of the con…

Published Feb 1, 2023 · Updated Feb 5, 2025 · Assigned by schneider

Description

A CWE-200: Information Exposure vulnerability exists that could cause the exposure of sensitive information stored on the memory of the controller when communicating over the Modbus TCP protocol. Affected Products: Modicon M340 CPU (part numbers BMXP34*) (Versions prior to V3.30), Modicon M580 CPU (part numbers BMEP* and BMEH*) (Versions prior to SV3.20), Modicon MC80 (BMKC80) (Versions prior to V1.6), Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S) (All Versions), Modicon Momentum MDI (171CBU*) (Versions prior to V2.3), Legacy Modicon Quantum (All Versions)

Affected products

VendorProductAffectedFixed
Schneider Electric Modicon M340 CPU (part numbers BMXP34*) All – < V3.30 V3.30
Schneider Electric Modicon M580 CPU (part numbers BMEP* and BMEH*) All – < V3.20 V3.20
Schneider Electric Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S) All Versions —
Schneider Electric Modicon MC80 (BMKC80) All – < V1.6 V1.6
Schneider Electric Modicon Momentum CPU (171CBU*) All – < V2.3 V2.3
Schneider Electric Legacy Modicon Quantum All Versions —

Advisories 1

References