CVE-2020-7477

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 23, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-74787.5A CWE-22: Improper Limitation of a Pathname to a Restricted Directory exists in IGSS (Versions 14 and prior using the service: IGSSupdate), CVE-2020-74797.8A CWE-306: Missing Authentication for Critical Function vulnerability exists in IGSS (Versions 14 and prior using the service: IGSSupdate), CVE-2020-74809.8A CWE-94: Improper Control of Generation of Code ('Code Injection') vulnerability exists in Andover Continuum (All versions), which could caCVE-2020-74816.1A CWE-79:Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability exists Andover Continuum (All veCVE-2020-74826.1A CWE-79:Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability exists Andover Continuum (All veCVE-2020-74837.5**VERSION NOT SUPPORTED WHEN ASSIGNED** A vulnerability could cause certain data to be visible on the network when the 'password' feature isCVE-2020-74847.5**VERSION NOT SUPPORTED WHEN ASSIGNED** A vulnerability with the former 'password' feature could allow a denial of service attack if the useCVE-2020-74859.8**VERSION NOT SUPPORTED WHEN ASSIGNED** A legacy support account in the TriStation software version v4.9.0 and earlier could cause improper CVE-2020-74867.5**VERSION NOT SUPPORTED WHEN ASSIGNED** A vulnerability could cause TCM modules to reset when under high network load in TCM v10.4.x and in CVE-2020-74879.8A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists which could allow the attacker to execute malicious code on tCVE-2020-74887.5A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive information transmitted between tCVE-2020-74899.8A CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability exists on EcoStru
CVE-2020-7477: High severity, CVSS 7.5 | Vulnix