CVE-2020-7543

published 2020-12-11

CVE-2020-7543: A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum &…

high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C N I N A H

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

16 ranges

Vendor	Product	Version range	Fixed in
schneider-electric	modicon_m340_bmxp341000_firmware	< 3.30	3.30
schneider-electric	modicon_m340_bmxp342000_firmware	< 3.30	3.30
schneider-electric	modicon_m340_bmxp3420102_firmware	< 3.30	3.30
schneider-electric	modicon_m340_bmxp3420102cl_firmware	< 3.30	3.30
schneider-electric	modicon_m340_bmxp342020_firmware	< 3.30	3.30
schneider-electric	modicon_m340_bmxp3420302_firmware	< 3.30	3.30
schneider-electric	modicon_m340_bmxp3420302cl_firmware	< 3.30	3.30
schneider-electric	modicon_m580_bmep581020_firmware	< 3.20	3.20
schneider-electric	modicon_m580_bmep582020_firmware	< 3.20	3.20
schneider-electric	modicon_m580_bmep582040_firmware	< 3.20	3.20
schneider-electric	modicon_m580_bmep583020_firmware	< 3.20	3.20
schneider-electric	modicon_m580_bmep583040_firmware	< 3.20	3.20
schneider-electric	modicon_m580_bmep584020_firmware	< 3.20	3.20
schneider-electric	modicon_m580_bmep584040_firmware	< 3.20	3.20
schneider-electric	modicon_m580_bmep585040_firmware	< 3.20	3.20
schneider-electric	modicon_m580_bmep586040_firmware	< 3.20	3.20

CWE-754