Improper Check Vulnerability in Modicon PLCs by Schneider Electric
CVE-2018-7833

7.5HIGH

Key Information:

Vendor

Schneider Electric
Status
Embedded Web Servers In All Modicon M340, Premium, Quantum Plcs And Bmxnor0200
Vendor
CVE Published:
17 December 2018

What is CVE-2018-7833?

A vulnerability in the embedded web servers of Modicon M340, Premium, Quantum PLCs, and BMXNOR0200 permits an unauthenticated user to send a specially crafted XML data via a POST request. Such manipulation can lead to the unavailability of the web server, potentially disrupting operations.

Affected Version(s)

Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200

References

https://www.schneider-electric.com/en/download/document/S...
x_refsource_CONFIRM

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2018-7833 : Improper Check Vulnerability in Modicon PLCs by Schneider Electric