CVE:CVE-2020-27738
CNNVD:CNNVD-202104-934
Siemens TALON Series是德国西门子（Siemens）公司的一个开放系统。使控制器和应用程序在单个平台上运行，同时彼此互操作。
多款siemens产品存在缓冲区错误漏洞，攻击者可利用该漏洞导致拒绝服务。
solution:Upgrade siemens simotics_connect_400_firmware to a higher version than 0.5.0.0,and avoid the version (,0.5.0.0); Upgrade siemens nucleus_net to a higher version than *; Upgrade siemens nucleus_readystart_v3 to a higher version than 2017.02.3,and avoid the version (,2017.02.3); Upgrade siemens nucleus_readystart_v4 to a higher version than 4.1.0,and avoid the version (,4.1.0); Upgrade siemens nucleus_source_code to a higher version than -