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Case File

CVE-2020-7540

CRITICAL · CVSS 9.8 EPSS 2.22%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-12-11 · Last synced 2026-08-04

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CVE
CVE-2020-7540
Severity
CRITICAL
CVSS
9.8
EPSS
2.22%

Original NVD Description

A CWE-306: Missing Authentication for Critical Function vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions), that could cause unauthenticated command execution in the controller when sending special HTTP requests.