Cleartext Transmission Vulnerability in Modicon Controllers by Schneider Electric
CVE-2020-7488

7.5HIGH

Summary

A vulnerability in Modicon Controllers manufactured by Schneider Electric allows for the transmission of sensitive information in cleartext. This could potentially lead to unauthorized disclosure of critical data exchanged between the software and the controllers. Affected devices include the Modicon M218, M241, M251, and M258. Mitigating this risk involves using secure communication protocols to ensure the protection of sensitive information.

Affected Version(s)

EcoStruxure Machine Expert (all )SoMachine, SoMachine Motion (all )Modicon M218 Logic Controller (all )Modicon M241 Logic Controller (all )Modicon M251 Logic Controller (all )Modicon M258 Logic Controller (all ) EcoStruxure Machine Expert (all versions)SoMachine, SoMachine Motion (all versions)Modicon M218 Logic Controller (all versions)Modicon M241 Logic Controller (all versions)Modicon M251 Logic Controller (all versions)Modicon M258 Logic Controller (all versions)

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.