AUGUST 4, 2026
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Case File

CVE-2020-7564

HIGH · CVSS 8.8 EPSS 1.10%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-11-18 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. See the original NVD description below for full technical details.

CVE
CVE-2020-7564
Severity
HIGH
CVSS
8.8
EPSS
1.10%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)