Schneider-Electric: >> Modicon M340 Firmware >> 3.01 Security Vulnerabilities
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.
CVSS Score
7.5
EPSS Score
0.005
Published
2019-05-22
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.
CVSS Score
7.5
EPSS Score
0.003
Published
2019-05-22
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.
CVSS Score
7.5
EPSS Score
0.001
Published
2019-05-22
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.
CVSS Score
9.8
EPSS Score
0.038
Published
2019-05-22
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.
CVSS Score
6.5
EPSS Score
0.002
Published
2019-05-22
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.
CVSS Score
9.8
EPSS Score
0.065
Published
2019-05-22
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.
CVSS Score
7.5
EPSS Score
0.148
Published
2019-05-22
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.
CVSS Score
7.5
EPSS Score
0.044
Published
2019-05-22
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.
CVSS Score
9.8
EPSS Score
0.382
Published
2019-05-22
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.
CVSS Score
9.8
EPSS Score
0.012
Published
2019-05-22