CVE-2015-8214: A vulnerability has been identified in SIMATIC NET CP 342-5 (incl.

Security readout for executives and security teams

This Siemens industrial networking flaw could let an unauthenticated person perform administrative actions on certain communication processors if they can reach TCP port 102 and the device stores its configuration on the associated CPU. The main business risk is unauthorized control-plane change in PLC communication infrastructure, especially where OT networks are reachable from broader networks. Likely limited to Siemens SIMATIC NET CP/TIM environments, especially S7 communications over TCP/102. Internet exposure should be rare but OT flat networks, remote access paths, or engineering workstations may create reachable attack paths. Prioritize if these Siemens communication processors support production, utility, or safety-adjacent operations and TCP/102 is reachable beyond tightly controlled OT administration paths. Treat exposed systems as urgent segmentation and vendor-remediation work. Mitigation focus: Inventory affected Siemens SIMATIC NET CP, TIM, and SIPLUS variants.; Restrict TCP/102 access to trusted OT engineering and controller management hosts.; Update to Siemens fixed versions where the advisory defines unaffected releases..

Prepared

Jun 13, 2026, 21:45 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.