high7.5
CVE-2020-7537
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modico…
Impact
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 versions |
|---|---|---|
| Schneider-Electric | Modicon M580 Bmep584040 Firmware | before 3.20 |
| Schneider-Electric | Modicon M580 Bmep582040 Firmware | before 3.20 |
| Schneider-Electric | Modicon M580 Bmep586040 Firmware | before 3.20 |
| Schneider-Electric | Modicon M580 Bmep585040 Firmware | before 3.20 |
| Schneider-Electric | Modicon M580 Bmep582020 Firmware | before 3.20 |
| Schneider-Electric | Modicon M580 Bmep581020 Firmware | before 3.20 |
| Schneider-Electric | Modicon M580 Bmep584020 Firmware | before 3.20 |
| Schneider-Electric | Modicon M580 Bmep583040 Firmware | before 3.20 |
| Schneider-Electric | Modicon M580 Bmep583020 Firmware | before 3.20 |
| Schneider-Electric | Modicon M340 Bmxp341000 Firmware | before 3.30 |
| Schneider-Electric | Modicon M340 Bmxp342000 Firmware | before 3.30 |
| Schneider-Electric | Modicon M340 Bmxp3420102 Firmware | before 3.30 |