Inadequate Encryption in Modicon M221 by Schneider Electric
CVE-2020-7565

7.3HIGH

Key Information:

Vendor
Schneider Electric
Status
Modicon M221, All References, All Versions
Vendor
CVE Published:
19 November 2020

Summary

A vulnerability exists in the Modicon M221 by Schneider Electric, where inadequate encryption strength may allow an attacker to decrypt sensitive data. This occurs when the attacker successfully captures traffic between the EcoStruxure Machine - Basic software and the Modicon M221 controller, potentially compromising the integrity of communications and exposing critical operational data.

Affected Version(s)

Modicon M221, all references, all Modicon M221, all references, all versions

References

https://www.se.com/ww/en/download/document/SEVD-2020-315-05/
x_refsource_MISC
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04
x_refsource_MISC

CVSS V3.1

Score:
7.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.