CVE-2020-7533 | BDVDB-2026-145290 Detail

Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see security notification for version information)

Description#

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

Impact#

No impact statement in the source data.

Weaknesses#

CWE-287 Improper Authentication

References#

Exploit#

No public exploit known

History#

Version 12020-12-01Record published in the CVE List.
Version 22025-06-10Most recent update recorded in the CVE List.

Published

Published: 2020-12-01
Last modified: 2025-06-10

Vendor information

Vendor: Not stated
Product: Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see security notification for version information)

Score

No score available.

EPSS

2.3%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 83.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Authentication Issues

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see security notification for version information)
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).