CVE-2019-6857

Description

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium (see security notification for specific versions) which could cause a Denial of Service of the controller when reading specific memory blocks using Modbus TCP.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.37%
Vendor Advisory se.com
Affected: Schneider Electric SE Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium (see security notification for specific versions)
Published at:
Updated at:

References

Link Tags
https://www.se.com/ww/en/download/document/SEVD-2019-344-01 vendor advisory
https://www.us-cert.gov/ics/advisories/icsa-20-016-01 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2019-6857?
CVE-2019-6857 has been scored as a high severity vulnerability.
How to fix CVE-2019-6857?
To fix CVE-2019-6857, 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-2019-6857 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-6857 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-6857?
CVE-2019-6857 affects Schneider Electric SE Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium (see security notification for specific versions).
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