CVE Catalog

CVE-2020-7477

High
Published: Translated: NVD NIST

Summary

A CWE-754 vulnerability exists in the Quantum Ethernet Network module 140NOE771x1 and in Quantum and Premium processors with integrated Ethernet, which could lead to a Denial of Service (DoS) when sending a specially crafted command over Modbus.

Risk Assessment

The organization may experience service outages, leading to significant disruptions in operations.

Recommendation

It is recommended to update to the latest software versions and monitor Modbus traffic to detect and block suspicious commands.

Related vulnerabilities

Original NVD description (English source)

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Quantum Ethernet Network module 140NOE771x1 (Versions 7.0 and prior), Quantum processors with integrated Ethernet – 140CPU65xxxxx (all Versions), and Premium processors with integrated Ethernet (all Versions), which could cause a Denial of Service when sending a specially crafted command over Modbus.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS