7.5
CWE
191
Advisory Published
Updated

CVE-2022-37301: Integer Underflow

First published: Tue Nov 22 2022(Updated: )

A CWE-191: Integer Underflow (Wrap or Wraparound) vulnerability exists that could cause a denial of service of the controller due to memory access violations when using the Modbus TCP protocol. Affected products: Modicon M340 CPU (part numbers BMXP34*)(V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*)(V3.22 and prior), Legacy Modicon Quantum/Premium(All Versions), Modicon Momentum MDI (171CBU*)(All Versions), Modicon MC80 (BMKC80)(V1.7 and prior)

Credit: cybersecurity@se.com

Affected SoftwareAffected VersionHow to fix
Schneider Electric Modicon M340 Firmware<3.50
Modicon M340
Schneider Electric Modicon M340 BMX P34-2030 Firmware<3.50
Schneider Electric Modicon M340
Schneider Electric Modicon M580 BMEH582040 Firmware<4.01
schneider-electric Modicon M580
Schneider Electric Modicon M580 Firmware<4.01
Modicon M580
Schneider Electric Modicon M580 Firmware<4.01
schneider-electric Modicon M580
Schneider Electric Modicon M580 BMEH584040 Firmware<4.01
schneider-electric Modicon M580 bmeh584040c
Schneider Electric Modicon M580 Firmware<4.01
schneider-electric Modicon M580 bmeh584040c firmware
Schneider Electric Modicon M580 BMEH584040S Firmware<4.01
Schneider Electric Modicon M580 BMEH584040S Firmware
Schneider Electric Modicon M580<4.01
Schneider Electric Modicon M580
Schneider Electric Modicon M580 Firmware<4.01
Schneider Electric Modicon M580
Schneider Electric Modicon M580 Firmware<4.01
Schneider Electric Modicon M580
Modicon M580<4.01
Schneider Electric Modicon M580 BMEP581020
schneider-electric Modicon M580 BMEP581020 firmware<4.01
schneider-electric Modicon M580 BMEP581020H firmware
Schneider Electric Modicon M580 BMEP582020 Firmware<4.01
Modicon M580
Schneider Electric Modicon M580 Firmware<4.01
Modicon M580
Schneider Electric Modicon M580 BMEP582040 Firmware<4.01
schneider-electric Modicon M580
schneider-electric Modicon M580 bmep582040h firmware<4.01
schneider-electric Modicon M580
Schneider Electric Modicon M580 BMEP582040 Firmware<4.01
Schneider Electric Modicon M580 BMEP582040S
Schneider Electric Modicon M580 BMEP583020 Firmware<4.01
Schneider Electric Modicon M580 BMEP583020
Schneider Electric Modicon M580 BMEP583040 Firmware<4.01
Schneider Electric Modicon M580 BMEP583040
Schneider Electric Modicon M580 BMEP584020 Firmware<4.01
Schneider Electric Modicon M580 BMEP584020 Firmware
Schneider Electric Modicon M580 BMEP584040 Firmware<4.01
Schneider Electric Modicon M580 BMEP584040 Firmware
Schneider Electric Modicon M580 BMEP584040S Firmware<4.01
Schneider Electric Modicon M580 BMEP584040S Firmware
schneider-electric Modicon M580 BMEP585040C Firmware<4.01
schneider-electric Modicon M580 BMEP585040C Firmware
Schneider Electric Modicon M580 BMEP585040C Firmware<4.01
schneider-electric Modicon M580 BMEP585040C Firmware
schneider-electric Modicon M580 bmep586040c firmware<4.01
schneider-electric modicon m580 bmep586040 firmware
Schneider Electric Modicon M580 BMEP585040C Firmware<4.01
schneider-electric Modicon M580 bmep586040c firmware
Schneider Electric Modicon MC80 BMKC8020301<1.8
schneider-electric modicon mc80 bmkc8020301 firmware
Modicon MC80 Firmware<1.8
Modicon MC80 Firmware
Modicon MC80 Firmware<1.8
Schneider Electric Modicon MC80
Schneider Electric Modicon Momentum 171CBU78090
Schneider Electric Modicon Momentum 171CBU78090
Schneider Electric Modicon Momentum 171CBU98090
Schneider Electric Modicon Momentum 171CBU98090
Schneider Electric Modicon Momentum 171CBU98091 Firmware
Schneider Electric Modicon Momentum 171CBU98091 Firmware
schneider-electric Modicon Premium TSXP57 1634m
schneider-electric Modicon Premium TSXP57 1634m firmware
schneider-electric Modicon Premium firmware
Schneider Electric Modicon Premium
schneider-electric Modicon Premium firmware
schneider-electric Modicon Premium TSXP57 2834m firmware
schneider-electric Modicon Premium firmware
schneider-electric Modicon Premium TSXP57 454m firmware
schneider-electric Modicon Premium TSXP57 4634m
schneider-electric Modicon Premium TSXP57 4634m firmware
schneider-electric Modicon Premium firmware
schneider-electric Modicon Premium TSXP57 554m firmware
schneider-electric Modicon Premium TSXP57 5634m
schneider-electric Modicon Premium TSXP57 5634m firmware
schneider-electric Modicon Premium firmware
Schneider Electric Modicon Premium
Schneider Electric Modicon Quantum Firmware
schneider-electric Modicon Quantum 140cpu65150 firmware
Schneider Electric Modicon Quantum 140CPU65160C Firmware
schneider-electric Modicon Quantum 140cpu65150c firmware
schneider-electric Modicon Quantum 140cpu65160 firmware
schneider-electric Modicon Quantum 140cpu65160c
schneider-electric Modicon Quantum 140cpu65160c
Schneider Electric Modicon Quantum 140CPU65160C Firmware
Modicon Quantum 140noc78100
Modicon Quantum 140noc78100
Schneider Electric Modicon Quantum Firmware
Schneider-electric Quantum Ethernet Module 140noe77101
schneider-electric Modicon Quantum 140noe77111 firmware
Modicon Quantum 140NOE77111

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Frequently Asked Questions

  • What is the severity of CVE-2022-37301?

    CVE-2022-37301 is considered a high-severity vulnerability due to its potential to cause denial of service through memory access violations.

  • How do I fix CVE-2022-37301?

    To fix CVE-2022-37301, update your Schneider Electric Modicon M340 CPU or Modicon M580 CPU firmware to version 3.50 or later, respectively.

  • What products are affected by CVE-2022-37301?

    CVE-2022-37301 affects Schneider Electric Modicon M340 CPUs with firmware V3.40 and prior, as well as Modicon M580 CPUs with firmware up to V4.01.

  • What type of vulnerability is CVE-2022-37301?

    CVE-2022-37301 is classified as an Integer Underflow vulnerability, specifically associated with the Modbus TCP protocol.

  • What can attackers achieve by exploiting CVE-2022-37301?

    Exploitation of CVE-2022-37301 can lead to denial of service conditions affecting the control system.

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