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 breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Schneider Electric / EcoStruxure Control ExpertAll Versions – All Versions
- Schneider Electric / EcoStruxure™ Process ExpertAll Versions – All Versions
- Schneider Electric / Modicon M340 CPU (part numbers BMXP34*)All Versions – All Versions
- Schneider Electric / Modicon M580 CPU (part numbers BMEP* and BMEH*)All Versions – All Versions
- Schneider Electric / Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S)All Versions – All Versions