CVE-2018-7833

Description

An Improper Check for Unusual or Exceptional Conditions vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where an unauthenticated user can send a specially crafted XML data via a POST request to cause the web server to become unavailable

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.54%
Vendor Advisory schneider-electric.com
Affected: Schneider Electric SE Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200
Published at:
Updated at:

References

Link Tags
https://www.schneider-electric.com/en/download/document/SEVD-2018-327-01/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-7833?
CVE-2018-7833 has been scored as a high severity vulnerability.
How to fix CVE-2018-7833?
To fix CVE-2018-7833, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-7833 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-7833 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-7833?
CVE-2018-7833 affects Schneider Electric SE Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200.
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