VULNERABILITY INTELLIGENCE

CVE-2020-7563

CVSS score8.8 HIGH
EPSS probability1.13%
CISA KEVNot currently listed
Published2020-11-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • cybersecurity@se.com: CWE-787

Primary references