An attacker with network access to an affected product may cause a denial of service condition by breaking the real-time synchronization (IRT) of the affected installation.

A vulnerability has been identified in CP1604 (All versions < V2.8), CP1616 (All versions < V2.8), Development/Evaluation Kits for PROFINET IO: DK Standard Ethernet Controller (All versions < V4.1.1 Patch 05), Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200 (All versions < V4.5.0 Patch 01), Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200P (All versions < V4.5.0), SCALANCE X-200IRT (All versions < V5.2.1), SIMATIC ET 200M (All versions), SIMATIC ET 200S (All versions), SIMATIC ET 200ecoPN (except 6ES7148-6JD00-0AB0 and 6ES7146-6FF00-0AB0) (All versions), SIMATIC ET 200pro (All versions), SIMATIC PN/PN Coupler 6ES7158-3AD01-0XA0 (All versions), SIMATIC S7-300 CPU family (incl. F) (All versions), SIMATIC S7-400 (incl. F) V6 and below (All versions), SIMATIC S7-400 PN/DP V7 (incl. F) (All versions), SIMATIC WinAC RTX (F) 2010 (All versions < SIMATIC WinAC RTX 2010 SP3), SIMOTION (All versions), SINAMICS DCM (All versions < V1.5 HF1), SINAMICS DCP (All versions), SINA...

Уязвимость программно-аппаратных средств Siemens, связанная с возможностью нарушения синхронизации времени (IRT), позволяющая нарушителю вызвать отказ в обслуживании