CVE-2023-46285

A vulnerability has been identified in Opcenter Execution Foundation (All versions < V2407), Opcenter Quality (All versions < V2312), SIMATIC PCS neo (All versions < V4.1), SINEC NMS (All versions < V2.0 SP1), Totally Integrated Automation Portal (TIA Portal) V14 (All versions), Totally Integrated Automation Portal (TIA Portal) V15.1 (All versions), Totally Integrated Automation Portal (TIA Portal) V16 (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions < V17 Update 8), Totally Integrated Automation Portal (TIA Portal) V18 (All versions < V18 Update 3). The affected application contains an improper input validation vulnerability that could allow an attacker to bring the service into a Denial-of-Service state by sending a specifically crafted message to 4004/tcp. The corresponding service is auto-restarted after the crash is detected by a watchdog.

• CWE-20

• https://cert-portal.siemens.com/productcert/html/ssa-999588.html
• https://cert-portal.siemens.com/productcert/pdf/ssa-999588.pdfPatch, Vendor Advisory
• https://cert-portal.siemens.com/productcert/html/ssa-999588.html
• https://cert-portal.siemens.com/productcert/pdf/ssa-999588.pdfPatch, Vendor Advisory

Published

Dec 12, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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