NVD CRITICAL: CVE-2026-22924 — A vulnerability has been identified in SIMATIC CN 4100 (All versions < V5.0). Th...

Tuesday, May 12, 2026 at 10:16 AM UTC·Source: NIST NVD

Updated: Tuesday, May 12, 2026 at 05:00 PM UTC

Executive Summary

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.

Analysis

Indicators of Compromise (1)

CVE (1)

CVE-2026-22924

NVD MITRE CVE

Source Attribution

Originally published by NIST NVD on May 12, 2026. Verified by: NIST.

Related Threats

CRITICALData Breach

Siemens SIMATIC

<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-134-10.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>SIMATIC CN 4100 contains multiple vulnerabilities which could potentially lead to a compromise in availability, integrity and confidentiality. Siemens has released a new version for SIMATIC CN 4100 and recommends to update to the late

CVE-2024-47704CVE-2024-57924

May 14, 2026CISA Advisories

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