CWE-924: Improper Enforcement of Message Integrity During Transmission in a
Communication Channel vulnerability exists that could cause a denial of service and loss of
confidentiality, integrity of controllers when conducting a Man in the Middle attack.
CWE-798: Use of Hard-coded Credentials vulnerability exists that could cause unauthorized
access to a project file protected with application password when opening the file with
EcoStruxure Control Expert.
CWE-522: Insufficiently Protected Credentials vulnerability exists that could cause unauthorized
access to the project file in EcoStruxure Control Expert when a local user tampers with the
memory of the engineering workstation.
A CWE-269: Improper Privilege Management vulnerability exists that could cause a local user to
perform a denial of service through the console server service that is part of EcoStruxure Control Expert. Affected Products: EcoStruxure Control Expert (V15.1 and above)
A CWE-668: Exposure of Resource to Wrong Sphere vulnerability exists that could cause
remote code execution when a valid user visits a malicious link provided through the web
endpoints. Affected Products: EcoStruxure Control Expert (V15.1 and above)
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)
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause arbitrary code execution, denial of service and loss of confidentiality & integrity when a malicious project file is loaded onto the controller. 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), Modicon Momentum Unity M1E Processor - 171CBU* (All Versions), Modicon MC80 - BMKC80 (All Versions), Legacy Modicon Quantum - 140CPU65* and Premium CPUs - TSXP57* (All Versions)
A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause a crash of the Control Expert software when an incorrect project file is opened. Affected Products: EcoStruxure Control Expert(V15.1 HF001 and prior).
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).
A heap-based buffer overflow exists in XML Decompression DecodeTreeBlock in AT&T Labs Xmill 0.7. A crafted input file can lead to remote code execution. This is not the same as any of: CVE-2021-21810, CVE-2021-21811, CVE-2021-21812, CVE-2021-21815, CVE-2021-21825, CVE-2021-21826, CVE-2021-21828, CVE-2021-21829, or CVE-2021-21830. NOTE: This vulnerability only affects products that are no longer supported by the maintainer