Direct Request Vulnerability in Modicon Web Server by Schneider Electric
CVE-2020-7541

5.3MEDIUM

Key Information:

Vendor
Schneider Electric
Status
Web Server On Modicon M340, Legacy Offers Modicon Quantum And Modicon Premium And Associated Communication Modules (see Security Notification For Affected Versions)
Vendor
CVE Published:
11 December 2020

Summary

A vulnerability in the Web Server of Schneider Electric's Modicon M340, Modicon Quantum, and Modicon Premium products allows unauthorized disclosure of sensitive data. This occurs when a malicious actor sends specially crafted requests to the controller over HTTP. The flaw stems from improper handling of direct requests, potentially exposing critical information if exploited.

Affected Version(s)

Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected ) Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions)

References

https://www.se.com/ww/en/download/document/SEVD-2020-343-03/
x_refsource_CONFIRM

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.