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

Name: n/a Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see security notification for version information)
Brand: n/a

productEU

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

KEV-listed

public exploit

EPSS ≥ 10%

by severity

1critical0high0medium0low

updated 2026-10-28

vulnerabilities (1)

Related CVEs.

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2020-7533US	critical9.8	2.34% (84th)	—	no fix	2020-12-01	≤ Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see security notification for version information)

weaknesses (2)

The flaw types (CWEs) most of these CVEs share.

CWE-255CWE-2551 CVEs
CWE-287Improper Authentication1 CVEs

sources (1)

Which sources assert this record, and when.

EUEU Vulnerability Database (ENISA)1 CVEs

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