CVE:CVE-2018-11451
CNNVD:CNNVD-201807-1730
Siemens EN100 Ethernet Communication Module和SIPROTEC 5 relays都是德国西门子（Siemens）公司的产品。Siemens EN100 Ethernet Communication Module是一款以太网模块产品。SIPROTEC 5 relays是一款继电器。
Siemens EN100 Ethernet Communication Module和SIPROTEC 5 relays中存在拒绝服务漏洞。攻击者可通过向102/tcp端口发送特制的数据包利用该漏洞造成拒绝服务，影响系统的可用性。以下产品和版本受到影响：Siemens Firmware variant IEC 61850 for EN100 Ethernet module 4.33之前版本；Firmware variant PROFINET IO for EN100 Ethernet module 所有版本；Firmware variant Modbus TCP for EN100 Ethernet module 所有版本；Firmware variant DNP3 TCP for EN100 Ethernet module 所有版本；Firmware variant IEC104 for EN100 Ethernet module 所有版本；SIPROTEC 5 relays（带有CPU variants CP300、CP100和Ethernet communication模块）7.80之前版本；SIPROTEC 5 relays（CPU variants CP200和Ethernet communication模块）所有版本。
solution:Upgrade siemens dnp3_tcp_firmware to a higher version than -; Upgrade siemens iec_61850_firmware to a higher version than 4.33,and avoid the version (,4.33); Upgrade siemens iec104_firmware to a higher version than -; Upgrade siemens modbus_tcp_firmware to a higher version than -; Upgrade siemens profinet_io_firmware to a higher version than -; Upgrade siemens cp100_firmware to a higher version than 7.80,and avoid the version (,7.80); Upgrade siemens cp200_firmware to a higher version than -; Upgrade siemens cp300_firmware to a higher version than 7.80,and avoid the version (,7.80)