HIGH · 8.1

CVE-2022-45789

A CWE-294: Authentication Bypass by Capture-replay vulnerability exists that could cause execution of unauthorized Modbus functions on the controller when hijacking an authenticated Modbus session. Af...

Vulnerability Description

A CWE-294: Authentication Bypass by Capture-replay vulnerability exists that could cause execution of unauthorized Modbus functions on the controller when hijacking an authenticated Modbus session. Affected Products: EcoStruxure Control Expert (All Versions), EcoStruxure Process Expert (All Versions), Modicon M340 CPU - part numbers BMXP34* (All Versions), Modicon M580 CPU - part numbers BMEP* and BMEH* (All Versions), Modicon M580 CPU Safety - part numbers BMEP58*S and BMEH58*S (All Versions)

CVSS Score

8.1

HIGH

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

Affected Products

VendorProductVersions
Schneider-ElectricEcostruxure Control ExpertAll versions
Schneider-ElectricEcostruxure Process Expert<= 2020
Schneider-ElectricModicon M340 Bmxp341000 FirmwareAll versions
Schneider-ElectricModicon M340 Bmxp341000-
Schneider-ElectricModicon M340 Bmxp342000 FirmwareAll versions
Schneider-ElectricModicon M340 Bmxp342000-
Schneider-ElectricModicon M340 Bmxp342010 Firmware-
Schneider-ElectricModicon M340 Bmxp342010All versions
Schneider-ElectricModicon M340 Bmxp3420102 FirmwareAll versions
Schneider-ElectricModicon M340 Bmxp3420102-
Schneider-ElectricModicon M340 Bmxp342020 FirmwareAll versions
Schneider-ElectricModicon M340 Bmxp342020-
Schneider-ElectricModicon M340 Bmxp342020H FirmwareAll versions
Schneider-ElectricModicon M340 Bmxp342020H-
Schneider-ElectricModicon M340 Bmxp342030 FirmwareAll versions
Schneider-ElectricModicon M340 Bmxp342030-
Schneider-ElectricModicon M340 Bmxp3420302 FirmwareAll versions
Schneider-ElectricModicon M340 Bmxp3420302-
Schneider-ElectricModicon M340 Bmxp3420302H FirmwareAll versions
Schneider-ElectricModicon M340 Bmxp3420302H-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2022-45789?

CVE-2022-45789 is a vulnerability with a CVSS score of 8.1 (HIGH). A CWE-294: Authentication Bypass by Capture-replay vulnerability exists that could cause execution of unauthorized Modbus functions on the controller when hijacking an authenticated Modbus session. Af...

How severe is CVE-2022-45789?

CVE-2022-45789 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-45789?

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.