Description
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium (see security notifications for affected versions), that could cause denial of service when a specially crafted Read Physical Memory request over Modbus is sent to the controller.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium (see security notifications for affected versions) | Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium (see security notifications for affected versions) | — |
Advisories 1
- SEVD-2020-343-08 Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium Schneider Electric CPCERT · Dec 8, 2020