high
7.8
CWE
754
Advisory Published
Updated

CVE-2020-7536

First published: Fri Dec 11 2020(Updated: )

A CWE-754:Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M340 CPUs (BMXP34* versions prior to V3.30) Modicon M340 Communication Ethernet modules (BMXNOE0100 (H) versions prior to V3.4 BMXNOE0110 (H) versions prior to V6.6 BMXNOR0200H all versions), that could cause the device to be unreachable when modifying network parameters over SNMP.

Credit: cybersecurity@se.com cybersecurity@se.com

Affected SoftwareAffected VersionHow to fix
Schneider-electric Bmxp341000 Firmware<3.30
Schneider-electric Bmxp341000
Schneider-electric Bmxp342000 Firmware<3.30
Schneider-electric Bmxp342000
Schneider-electric Bmxp3420102 Firmware<3.30
Schneider-electric Bmxp3420102
Schneider-electric Bmxp3420102cl Firmware<3.30
Schneider-electric Bmxp3420102cl
Schneider-electric Bmxp342020 Firmware<3.30
Schneider-electric Bmxp342020
Schneider-electric Bmxp3420302 Firmware<3.30
Schneider-electric Bmxp3420302
Schneider-electric Bmxp3420302cl Firmware<3.30
Schneider-electric Bmxp3420302cl
Schneider-electric Bmxnoe0100 Firmware<3.4
Schneider-electric Bmxnoe0100
Schneider-electric Bmxnoe0110 Firmware<6.6
Schneider-electric Bmxnoe0110
Schneider-electric Bmxnor0200h Firmware
Schneider-electric Bmxnor0200h
All of
Schneider-electric Modicon M340 Bmxp341000 Firmware<3.30
Schneider-electric Modicon M340 Bmxp341000
All of
Schneider-electric Modicon M340 Bmxp342000 Firmware<3.30
Schneider-electric Modicon M340 Bmxp342000
All of
Schneider-electric Modicon M340 Bmxp3420102 Firmware<3.30
Schneider-electric Modicon M340 Bmxp3420102
All of
Schneider-electric Modicon M340 Bmxp3420102cl Firmware<3.30
Schneider-electric Modicon M340 Bmxp3420102cl
All of
Schneider-electric Modicon M340 Bmxp342020 Firmware<3.30
Schneider-electric Modicon M340 Bmxp342020
All of
Schneider-electric Modicon M340 Bmxp3420302 Firmware<3.30
Schneider-electric Modicon M340 Bmxp3420302
All of
Schneider-electric Modicon M340 Bmxp3420302cl Firmware<3.30
Schneider-electric Modicon M340 Bmxp3420302cl
All of
Schneider-electric Bmxnoe0100 Firmware<3.4
Schneider-electric Bmxnoe0100
All of
Schneider-electric Bmxnoe0110 Firmware<6.6
Schneider-electric Bmxnoe0110
All of
Schneider-electric Bmxnor0200h Firmware
Schneider-electric Bmxnor0200h

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID for this vulnerability?

    The vulnerability ID for this vulnerability is CVE-2020-7536.

  • What is the severity of CVE-2020-7536?

    The severity of CVE-2020-7536 is high with a severity value of 7.5.

  • What software versions are affected by CVE-2020-7536?

    The Modicon M340 CPUs (BMXP34* versions prior to V3.30) and Modicon M340 Communication Ethernet modules (BMXNOE0100 (H) versions prior to V3.4 BMXNOE0110 (H) versions prior to V6.6 BMXNOR0200H all versions) are affected by CVE-2020-7536.

  • How can I fix CVE-2020-7536?

    To fix CVE-2020-7536, it is recommended to apply the necessary software updates provided by Schneider-electric.

  • Where can I find more information about CVE-2020-7536?

    You can find more information about CVE-2020-7536 on the official Schneider-electric website.

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