CVE-2019-6821

CWE-330: Use of Insufficiently Random Values vulnerability, which could cause the hijacking of the TCP connection when using Ethernet communication in Modicon M580 firmware versions prior to V2.30, and all firmware versions of Modicon M340, Modicon Premium, Modicon Quantum...

CVE-2019-6844

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules all firmware versions, which could cause a Denial of Service atack on the PLC when upgrading the controller with a firmware package containing an invalid we...

CVE-2019-6819

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists which could cause a possible Denial of Service when specific Modbus frames are sent to the controller in the products: Modicon M340 - firmware versions prior to V3.01, Modicon M580 - firmware versions prior to...

CVE-2019-6855

Incorrect Authorization vulnerability exists in EcoStruxure Control Expert all versions prior to 14.1 Hot Fix, Unity Pro all versions, Modicon M340 all versions prior to V3.20 , and Modicon M580 all versions prior to V3.10, which could cause a bypass of the authentication process between...

CVE-2019-6847

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules all firmware versions, which could cause a Denial of Service attack on the FTP service when upgrading the firmware with a version incompatible with the...

CVE-2019-6850

A CWE-200: Information Exposure vulnerability exists in Modicon M580, Modicon BMENOC 0311, and Modicon BMENOC 0321, which could cause the disclosure of sensitive information when reading specific registers with the REST API of the controller/communication module...

CVE-2019-6849

A CWE-200: Information Exposure vulnerability exists in Modicon M580, Modicon BMENOC 0311, and Modicon BMENOC 0321, which could cause the disclosure of sensitive information when using specific Modbus services provided by the REST API of the controller/communication module...

CVE-2019-6846

A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules all firmware versions, which could cause information disclosure when using the FTP protocol...

CVE-2019-6848

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580 CPU BMEx58 and Modicon M580 communication module BMENOC0311, BMENOC0321 see notification for version info, which could cause a Denial of Service attack on the PLC when sending specific data on the REST API...

CVE-2019-6830

A CWE-248: Uncaught Exception vulnerability exists IN Modicon M580 all versions prior to V2.80, which could cause a possible denial of service when sending an appropriately timed HTTP request to the controller...

CVE-2019-6807

A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a possible denial of service when writing sensitive application variables to the controller over Modbus...

CVE-2019-6809

A CWE-248: Uncaught Exception vulnerability exists in Modicon M580 firmware versions prior to V2.90, Modicon M340 firmware versions prior to V3.10, Modicon Premium all versions, Modicon Quantum all versions, which could cause a possible denial of service when reading invalid data from the...

CVE-2019-6857

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium see security notification for specific versions which could cause a Denial of Service of the controller when reading specific memory blocks using...

CVE-2019-6829

A CWE-248: Uncaught Exception vulnerability exists in Modicon M580 firmware version prior to V2.90 and Modicon M340 firmware version prior to V3.10, which could cause a possible denial of service when writing to specific memory addresses in the controller over Modbus...

CVE-2018-7856

A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a possible denial of Service when writing invalid memory blocks to the controller over Modbus...

CVE-2018-7853

A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause denial of service when reading invalid physical memory blocks in the controller over Modbus...

CVE-2018-7794

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium see security notification for specific versions which could cause a Denial of Service when reading data with invalid index using Modbus TCP...

CVE-2018-7851

CWE-119: Buffer errors vulnerability exists in Modicon M580 with firmware prior to V2.50, Modicon M340 with firmware prior to V3.01, BMxCRA312xx with firmware prior to V2.40, All firmware versions of Modicon Premium and 140CRA312xxx when sending a specially crafted Modbus packet, which could caus...

CVE-2018-7854

A CWE-248 Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a denial of Service when sending invalid debug parameters to the controller over Modbus...

CISA Releases Six Industrial Control Systems Advisories

CISA released six Industrial Control Systems ICS advisories on April 17, 2025. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-107-01 Schneider Electric Trio Q Licensed Data Radio ICSA-25-107-02 Schneider Electric...