Improper access control

A CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause denial of service or potential code execution by overwriting configuration settings of the controller over Modbus...

Design/Logic Flaw

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 an invalid private command parameter is sent to the controller over Modbus...

Design/Logic Flaw

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 memory blocks with an invalid data size or with an invalid data offset in the controller over Modbus...

Design/Logic Flaw

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...

Spoofing

A CWE-290: Authentication Bypass by Spoofing vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause an elevation of privilege by conducting a brute force attack on Modbus parameters sent to the controller...

Information disclosure

A CWE-200: Information Exposure vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause the disclosure of SNMP information when reading files from the controller over Modbus...

Buffer overflow

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...

Code injection

In Modicon Quantum all firmware versions, a CWE-94: Code Injection vulnerability could cause an unauthorized firmware modification with possible Denial of Service when using Modbus protocol...

Out-of-bounds

A CWE-125: Out-of-bounds Read vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause the disclosure of unexpected data from the controller when reading specific memory blocks in the controller over Modbus...

Design/Logic Flaw

A CWE-501: Trust Boundary Violation vulnerability on connection to the Controller exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium which could cause unauthorized access by conducting a brute force attack on Modbus protocol to the controller...

Spoofing

An Externally Controlled Reference to a Resource CWE-610 vulnerability exists in Schneider Electric Modbus Serial Driver For 64-bit Windows OS:V3.17 IE 37 and prior , For 32-bit Windows OS:V2.17 IE 27 and prior, and as part of the Driver Suite version:V14.12 and prior which could allow write acce...

CVE-2018-7844

CVE-2018-7844 affects Schneider Electric Modicon M580, M340, Quantum and Premium PLCs. The UMAS read memory block function can disclose plaintext data, including SNMP community strings, when reading memory blocks over Modbus. Exploitation is unauthenticated and feasible against firmware versions ...

CVE-2018-7844

A CWE-200: Information Exposure vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause the disclosure of SNMP information when reading memory blocks from the controller over Modbus...

CVE-2019-6808

The CVE-2019-6808 issue affects Schneider Electric Modicon controllers (M580, M340, Quantum, Premium). It is a CWE-284 improper access control vulnerability that could allow remote code execution by overwriting configuration settings over Modbus. Affected components include the controller’s confi...

CVE-2019-6808

A CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a remote code execution by overwriting configuration settings of the controller over Modbus...

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-2019-6807

CVE-2019-6807 affects Schneider Electric Modicon M580, M340, Quantum, and Premium PLCs. The issue is an Uncaught Exception (CWE-248) that could cause denial of service when writing sensitive application variables to the controller over Modbus. Connected sources confirm the vulnerability across al...

CVE-2019-6806

Schneider Electric Modicon M580, M340, Quantum, and Premium PLCs are affected by CVE-2019-6806, a CWE-200 information-exposure vulnerability. The issue stems from UMAS/Modbus read paths that can disclose SNMP information, including read/write/trap SNMP strings, when reading variables in the contr...

CVE-2019-6806

A CWE-200: Information Exposure vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause the disclosure of SNMP information when reading variables in the controller using Modbus...

CVE-2018-7857

CVE-2018-7857 affects Schneider Electric Modicon M580, M340, Quantum, and Premium PLCs. It is described as CWE-248 Uncaught Exception: writing out-of-bounds variables to the controller over Modbus can cause a Denial of Service . The entry lists CVSSv3.1 base score 7.5 (HIGH) and CVSSv2 5.0 (MEDIU...