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VULNERABILITIES

CVE-2020-7564 Details

Description

A CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') 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 write access and the execution of commands when uploading a specially crafted file on the controller over FTP.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA: CISA-ADPCVSS-B:6.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.se.com/ww/en/download/document/SEVD-2020-315-01/ CVEVendor Advisory
https://www.se.com/ww/en/download/document/SEVD-2020-315-01/ [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')[email protected]

Affected Products

ProductVersions

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-7564
NVD Published Date:
Nov 18, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-7564 Details - Not Deferred