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CRITICAL · 9.8

CVE-2022-37300

A CWE-640: Weak Password Recovery Mechanism for Forgotten Password vulnerability exists that could cause unauthorized access in read and write mode to the controller when communicating over Modbus. Af...

Vulnerability Description

A CWE-640: Weak Password Recovery Mechanism for Forgotten Password vulnerability exists that could cause unauthorized access in read and write mode to the controller when communicating over Modbus. Affected Products: EcoStruxure Control Expert Including all Unity Pro versions (former name of EcoStruxure Control Expert) (V15.0 SP1 and prior), EcoStruxure Process Expert, Including all versions of EcoStruxure Hybrid DCS (former name of EcoStruxure Process Expert) (V2021 and prior), Modicon M340 CPU (part numbers BMXP34*) (V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*) (V3.20 and prior).

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Schneider-ElectricEcostruxure Control Expert< 15.1
Schneider-ElectricEcostruxure Process Expert<= 2021
Schneider-ElectricModicon M340 Bmxp341000 Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp341000-
Schneider-ElectricModicon M340 Bmxp342000 Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp342000-
Schneider-ElectricModicon M340 Bmxp342010 Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp342010-
Schneider-ElectricModicon M340 Bmxp3420102 Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp3420102-
Schneider-ElectricModicon M340 Bmxp342020 Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp342020-
Schneider-ElectricModicon M340 Bmxp342020H Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp342020H-
Schneider-ElectricModicon M340 Bmxp342030 Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp342030-
Schneider-ElectricModicon M340 Bmxp3420302 Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp3420302-
Schneider-ElectricModicon M340 Bmxp3420302H Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp3420302H-

Related Weaknesses (CWE)

CWE-640

References

FAQ

What is CVE-2022-37300?

CVE-2022-37300 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A CWE-640: Weak Password Recovery Mechanism for Forgotten Password vulnerability exists that could cause unauthorized access in read and write mode to the controller when communicating over Modbus. Af...

How severe is CVE-2022-37300?

CVE-2022-37300 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2022-37300?

Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Ecostruxure Control Expert, Schneider-Electric Ecostruxure Process Expert, Schneider-Electric Modicon M340 Bmxp341000 Firmware, Schneider-Electric Modicon M340 Bmxp341000, Schneider-Electric Modicon M340 Bmxp342000 Firmware.