CVE:CVE-2014-2258
CNNVD:CNNVD-201403-418
Siemens SIMATIC S7-1200 CPU PLC是德国西门子（Siemens）公司的一款应用于中小型自动化系统中的可编程逻辑控制器（PLC）。
使用3.0.2及之前版本固件的Siemens SIMATIC S7-1200 CPU PLC设备中存在拒绝服务漏洞。远程攻击者可通过发送特制的HTTPS数据包利用该漏洞造成拒绝服务（设备故障）。
solution:Upgrade siemens simatic_s7_cpu_1200_firmware to a higher version than 3.0.2,3.0,and avoid the version (,3.0.2],3.0; Upgrade siemens simatic_s7_cpu-1211c to a higher version than -; Upgrade siemens simatic_s7_cpu_1212c to a higher version than -; Upgrade siemens simatic_s7_cpu_1214c to a higher version than -; Upgrade siemens simatic_s7_cpu_1215c to a higher version than -; Upgrade siemens simatic_s7_cpu_1217c to a higher version than -