CVE-2022-45789

Published: Jan 31, 2023

Modified: May 29, 2026

PUBLISHED

CVSS v3.1

8.1

HIGH

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)

Vendor	Product	Versions
Schneider Electric	EcoStruxure Control Expert	affected `All Versions`
Schneider Electric	EcoStruxure Process Expert	affected `All Versions`
Schneider Electric	Modicon M340 CPU (part numbers BMXP34*)	affected `All Versions`
Schneider Electric	Modicon M580 CPU (part numbers BMEP* and BMEH*)	affected `All Versions`
Schneider Electric	Modicon M580 CPU Safety (part numbers BMEP58S and BMEH58S)	affected `All Versions`

Weaknesses (CWE)

CWE-294

CVSS v3.1 Details

CVSS v3.1 Vector

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

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-010-06&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-010-06_Modicon_Controllers_Security_Notification.pdf

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