CVE-2020-7562

State: Published
Severity: 6.3 Medium
Published: Nov 18, 2020
Updated: May 29, 2026
Reserved: Jan 21, 2020

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.

Scores

CVSS	Score	Vector	Source
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H	CISA-ADP

Weaknesses

CWE-125 Out-of-Bounds Read

Affected Products

Product	Versions
Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details)n/a	Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details)Affected

References

https://www.se.com/ww/en/download/document/SEVD-2020-315-01/

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