NetSight
IP …
high7.5

CVE-2021-22786

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

Impact

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

VendorProductAffected versions
Schneider-ElectricModicon M340 Bmxp341000 Firmware
before 3.40
Schneider-ElectricModicon M340 Bmxp342000 Firmware
before 3.40
Schneider-ElectricModicon M340 Bmxp342010 Firmware
before 3.40
Schneider-ElectricModicon M340 Bmxp3420102 Firmware
before 3.40
Schneider-ElectricModicon M340 Bmxp342020 Firmware
before 3.40
Schneider-ElectricModicon M340 Bmxp342020h Firmware
before 3.40
Schneider-ElectricModicon M340 Bmxp342030 Firmware
before 3.40
Schneider-ElectricModicon M340 Bmxp3420302 Firmware
before 3.40
Schneider-ElectricModicon M340 Bmxp3420302h Firmware
before 3.40
Schneider-ElectricModicon M340 Bmxp342030h Firmware
before 3.40
Schneider-ElectricModicon M580 Bmeh582040 Firmware
through 3.20
Schneider-ElectricModicon M580 Bmeh582040c Firmware
through 3.20

Weakness classification

CWE-200

References