CVE catalog

CVE-2026-22924

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V5.0). The affected application does not properly restrict unauthenticated connections and is susceptible to resource exhaustion

[CVE catalog]

Severity
Critical · CVSS 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Published
Source
[NVD] · [CVE record]
EPSS
0.30% · Oct 25, 2026

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V5.0). The affected application does not properly restrict unauthenticated connections and is susceptible to resource exhaustion conditions. This could allow an attacker to disrupt normal operations or perform unauthorized actions, potentially impacting system availability and integrity.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Cpesimatic_cn_4100_firmwareNot reported5.0fixed
Cpesimatic_cn_4100_firmwareNot reported5.0fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Cpesimatic_cn_4100_firmwarecpeNot reported5.0Not reportedNot reportedNot reported
Cpesimatic_cn_4100_firmwarecpeNot reported5.0Not reportedNVD-CVE-2026-22924Not reported

OpenFactory catalog packages

No matching packages in this catalog.

Observed:

References