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Case File

CVE-2020-7563

HIGH · CVSS 8.8 EPSS 1.08% Public Exploit

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. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-7563
Severity
HIGH
CVSS
8.8
EPSS
1.08%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)