CVE-2020-7562

HighCVSS 8.1/10Last modified Jun 17, 2026

Description

A CWE-125: Out-of-Bounds Read vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details) which could cause a segmentation fault or a buffer overflow when uploading a specially crafted file on the controller over FTP.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-125

Affected software

No affected versions have been published.

Timeline

Published
Nov 18, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-75638.8A CWE-787: Out-of-bounds Write vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers andCVE-2020-75648.8A CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability exists in the Web Server on Modicon M340, MoCVE-2020-75657.3A CWE-326: Inadequate Encryption Strength vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker CVE-2020-75667.3A CWE-334: Small Space of Random Values vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker toCVE-2020-75675.7A CWE-311: Missing Encryption of Sensitive Data vulnerability exists in Modicon M221 (all references, all versions) that could allow the attCVE-2020-75684.3A CWE-200: Exposure of Sensitive Information to an Unauthorized Actor vulnerability exists in Modicon M221 (all references, all versions) thCVE-2020-75698.8A CWE-434 Unrestricted Upload of File with Dangerous Type vulnerability exists in EcoStruxure Building Operation WebReports V1.9 - V3.1 thatCVE-2020-75705.4A CWE-79 Improper Neutralization of Input During Web Page Generation (Cross-site Scripting Stored) vulnerability exists in EcoStruxure BuildCVE-2020-75715.4A CWE-79 Multiple Improper Neutralization of Input During Web Page Generation (Cross-site Scripting Reflected) vulnerability exists in EcoStCVE-2020-75728.8A CWE-611 Improper Restriction of XML External Entity Reference vulnerability exists in EcoStruxure Building Operation WebReports V1.9 - V3.CVE-2020-75736.5A CWE-284 Improper Access Control vulnerability exists in EcoStruxure Building Operation WebReports V1.9 - V3.1 that could cause a remote atCVE-2020-75746.1A vulnerability has been identified in Climatix POL908 (BACnet/IP module) (All versions), Climatix POL909 (AWM module) (All versions < V11.3
CVE-2020-7562: High severity, CVSS 8.1 | Vulnix