CVE:CVE-2012-0221
CNNVD:CNNVD-201204-003
Rockwell Automation Allen-Bradley FactoryTalk CPR9到SR5和RSLogix 5000 17到20版本中的FactoryTalk (FT) RNADiagReceiver服务中存在漏洞，该漏洞源于未正确处理未明函数的返回值。远程攻击者借助特制数据包导致拒绝服务（服务中断）。
solution:Upgrade rockwellautomation factorytalk to a higher version than cpr9,cpr9_sr5,and avoid the version cpr9,cpr9_sr5; Upgrade rockwellautomation rslogix_5000 to a higher version than 17,18,19,20,and avoid the version 17,18,19,20