Siemens SIMATIC CP 343-1 Advanced devices before 3.0.44, CP 343-1 Lean devices, CP 343-1 devices, TIM 3V-IE devices, TIM 3V-IE Advanced devices, TIM 3V-IE DNP3 devices, TIM 4R-IE devices, TIM 4R-IE DNP3 devices, CP 443-1 devices, and CP 443-1 Advanced devices might allow remote attackers to obtain administrative access via a session on TCP port 102.