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A CWE-754: Improper Check for Unusual or Exceptional...

High severity Unreviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Jan 30, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause a crash of the PLC simulator present in EcoStruxureª Control Expert software when receiving a specially crafted request over Modbus.

References

Published by the National Vulnerability Database Nov 19, 2020
Published to the GitHub Advisory Database May 24, 2022
Last updated Jan 30, 2023

Severity

High

EPSS score

0.103%
(44th percentile)

Weaknesses

CVE ID

CVE-2020-7538

GHSA ID

GHSA-6xcf-xj69-qm4j

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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