๐Ÿ” CVE Alert

CVE-2026-22924

CRITICAL 9.1
CVSS Score
9.1
EPSS Score
0.0%
EPSS Percentile
12th

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.

CWE CWE-306
Vendor siemens
Product simatic cn 4100
Ecosystems
Industries
IndustrialManufacturing
Published May 12, 2026
Last Updated May 13, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

Siemens / SIMATIC CN 4100
0 < V5.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
cert-portal.siemens.com: https://cert-portal.siemens.com/productcert/html/ssa-032379.html