Schneider Electric Modicon M340 Cpu vulnerabilities

CVE-2024-8938 [CRITICAL] CWE-119 CVE-2024-8938: CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exist CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause a potential arbitrary code execution after a successful Man-In-The-Middle attack followed by sending a crafted Modbus function call to tamper with memory area involved in memory size computation.

CVE-2024-8936 [HIGH] CWE-20 CVE-2024-8936: CWE-20: Improper Input Validation vulnerability exists that could lead to loss of confidentiality of CWE-20: Improper Input Validation vulnerability exists that could lead to loss of confidentiality of controller memory after a successful Man-In-The-Middle attack followed by sending a crafted Modbus function call used to tamper with memory.

CVE-2024-8935 [HIGH] CWE-290 CVE-2024-8935: CWE-290: Authentication Bypass by Spoofing vulnerability exists that could cause a denial of service CWE-290: Authentication Bypass by Spoofing vulnerability exists that could cause a denial of service and loss of confidentiality and integrity of controllers when conducting a Man-In-The-Middle attack between the controller and the engineering workstation while a valid user is establishing a communication session. This vulnerability is inherent to Diffi

CVE-2024-8933 [HIGH] CWE-924 CVE-2024-8933: CWE-924: Improper Enforcement of Message Integrity During Transmission in a Communication Channel vu CWE-924: Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerability exists that could cause retrieval of password hash that could lead to denial of service and loss of confidentiality and integrity of controllers. To be successful, the attacker needs to inject themself inside the logical network while a valid

CVE-2024-8937 [HIGH] CWE-119 CVE-2024-8937: CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exist CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause a potential arbitrary code execution after a successful Man-In-The Middle attack followed by sending a crafted Modbus function call to tamper with memory area involved in the authentication process.

CVE-2023-6408 [HIGH] CWE-924 CVE-2023-6408: CWE-924: Improper Enforcement of Message Integrity During Transmission in a Communication Channel v 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.

CVE-2023-25619 [HIGH] CWE-754 CVE-2023-25619: A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cau A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause denial of service of the controller when communicating over the Modbus TCP protocol.

CVE-2023-25620 [MEDIUM] CWE-754 CVE-2023-25620: A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could c A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause denial of service of the controller when a malicious project file is loaded onto the controller by an authenticated user.

CVE-2021-22786 [HIGH] CWE-200 CVE-2021-22786: A CWE-200: Information Exposure vulnerability exists that could cause the exposure of sensitive info A CWE-200: Information Exposure vulnerability exists that could cause the exposure of sensitive information stored on the memory of the controller when communicating over the Modbus TCP protocol. Affected Products: Modicon M340 CPU (part numbers BMXP34*) (Versions prior to V3.30), Modicon M580 CPU (part numbers BMEP* and BMEH*) (Versions prior to SV3.

CVE-2022-45789 [CRITICAL] CWE-294 CVE-2022-45789: A CWE-294: Authentication Bypass by Capture-replay vulnerability exists that could cause execution o 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 V

CVE-2022-45788 [CRITICAL] CWE-754 CVE-2022-45788: A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could caus 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

CVE-2022-37301 [HIGH] CWE-191 CVE-2022-37301: A CWE-191: Integer Underflow (Wrap or Wraparound) vulnerability exists that could cause a denial of A CWE-191: Integer Underflow (Wrap or Wraparound) vulnerability exists that could cause a denial of service of the controller due to memory access violations when using the Modbus TCP protocol. Affected products: Modicon M340 CPU (part numbers BMXP34*)(V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*)(V3.22 and prior), Legacy Modicon Qu

CVE-2022-37300 [CRITICAL] CWE-640 CVE-2022-37300: A CWE-640: Weak Password Recovery Mechanism for Forgotten Password vulnerability exists that could c 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), EcoSt