SmartVNC client fails to handle an exception properly if the program execution process is modified after sending a packet from the server, which could result in a denial-of-service condition on the SIMATIC HMIs/WinCC Products SIMATIC HMI Comfort Outdoor Panels 7’ and 15’ (incl. SIPLUS variants), SIMATIC HMI Comfort Panels 4’to 22’ (incl. SIPLUS variants), SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900, and KTP900F, SIMATIC WinCC Runtime Advanced (All versions prior to v16 Update 4).
建议您更新当前系统或软件至最新版，完成漏洞的修复。