Description
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that
could cause denial of service of the controller when communicating over the Modbus TCP
protocol.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Schneider Electric | Modicon M340 CPU (part numbers BMXP34*) | prior to SV3.51 | — |
| Schneider Electric | Modicon M580 CPU (part numbers BMEP* and BMEH*) | prior to V4.10 | — |
| Schneider Electric | Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S) | All | — |
| Schneider Electric | Modicon Momentum Unity M1E Processor (171CBU*) | All | — |
| Schneider Electric | Modicon MC80 (BMKC80) | All | — |
| Schneider Electric | Legacy Modicon Quantum (140CPU65*) | All | — |
| Schneider Electric | Legacy Modicon Premium CPUs (TSXP57*) | All | — |
Advisories 1
- SEVD-2023-101-05 Modicon PLCs (Programmable Logic Controllers) and PACs (Programmable Automation Controllers) Schneider Electric CPCERT · Aug 13, 2024