6.3 Medium

CVE-2020-7563 A CWE-787: Out-of-bounds Write vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon…

Description

A CWE-787: Out-of-bounds Write 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 corruption of data, a crash, or code execution when uploading a specially crafted file on the controller over FTP.

Affected products and versions

Product	Affected versions	Fixed in
Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details)	Versions not published

The 3 CVEs of Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details) →

CVE-2020-7562 A CWE-125: Out-of-Bounds Read vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon… 6.3 Medium CVE-2020-7564 A CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability exists in the Web Server… 6.3 Medium

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Track this CVE Watch Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details) Check my SBOMs

www.cveye.io/en/cve/CVE-2020-7563

Timeline

Published November 18, 2020
Last modified May 29, 2026

References

www.se.com www.se.com

Track this CVE

CVE-2020-7563 A CWE-787: Out-of-bounds Write vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon…

Description

Affected products and versions

Other CVEs of Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details)