Schneider-Electric: >> Modicon M340 Firmware Security Vulnerabilities
CWE-552: Files or Directories Accessible to External Parties vulnerability exists which may
prevent user to update the device firmware and prevent proper behavior of the webserver when
specific files or directories are removed from the filesystem.
CVSS Score
6.5
EPSS Score
0.002
Published
2024-06-12
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.
CVSS Score
6.5
EPSS Score
0.001
Published
2023-04-19
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.
CVSS Score
7.5
EPSS Score
0.001
Published
2023-04-19
A CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'), reflective DLL, 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), Modicon M580 (all versions prior to V3.10), which, if exploited, could allow attackers to transfer malicious code to the controller.
CVSS Score
9.8
EPSS Score
0.006
Published
2020-03-23
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 writing specific physical memory blocks using Modbus TCP.
CVSS Score
7.5
EPSS Score
0.004
Published
2020-01-06
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 Modbus TCP.
CVSS Score
7.5
EPSS Score
0.004
Published
2020-01-06
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.
CVSS Score
7.5
EPSS Score
0.004
Published
2020-01-06
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 web server image using FTP protocol.
CVSS Score
4.9
EPSS Score
0.004
Published
2019-10-29
A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists in Modicon M580, Modicon M340, Modicon Premium , Modicon Quantum (all firmware versions), which could cause the disclosure of information when transferring applications to the controller using Modbus TCP protocol.
CVSS Score
7.5
EPSS Score
0.002
Published
2019-10-29
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.
CVSS Score
6.5
EPSS Score
0.002
Published
2019-10-29
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