CVE-2020-7533

CVE-2020-7533

Vendor N/A
Product Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see security notification for version information)
Weakness CWE-287 · Improper authentication
Published December 1, 2020
Last update June 10, 2025
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CVSS base score

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What the vulnerability does

01Description

CWE-287: Improper Authentication vulnerability exists which could cause the execution of commands on the webserver without authentication when sending specially crafted HTTP requests.

Key dates

02Disclosure timeline

December 1, 2020 CVE published
June 10, 2025 Record updated