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...

Default configuration

An Incorrect Default Permissions CWE-276 vulnerability exists in SoMachine Basic, all versions, and Modicon M221all references, all versions prior to firmware V1.10.0.0 which could cause unauthorized access to SoMachine Basic resource files when logged on the system hosting SoMachine Basic...

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...

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...

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...

Code injection

An Environment CWE-2 vulnerability exists in SoMachine Basic, all versions, and Modicon M221all references, all versions prior to firmware V1.10.0.0 which could cause cycle time impact when flooding the M221 ethernet interface while the Ethernet/IP adapter is activated...

CVE-2018-7788

A CWE-255 Credentials Management vulnerability exists in Modicon Quantum with firmware versions prior to V2.40. which could cause a Denial Of Service when using a Telnet connection...

Design/Logic Flaw

A CWE-807: Reliance on Untrusted Inputs in a Security Decision vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause invalid information displayed in Unity Pro software...

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...

Code injection

A Environment CWE-2 vulnerability exists in SoMachine Basic, all versions, and Modicon M221all references, all versions prior to firmware V1.10.0.0 which could cause remote launch of SoMachine Basic when sending crafted ethernet message...

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...

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

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-2019-6808

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-2019-6807

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...