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CVE-2026-22924

No fix known EPSS <1%CVSS 9.1

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.

Published 2026-05-12 · CVE record · OSV

Products: Siemens SIMATIC CN 4100