CVE:CVE-2020-6990
CNNVD:CNNVD-202003-558
Rockwell Automation MicroLogix 1400 Controllers Series A等都是美国罗克韦尔（Rockwell Automation）公司的产品。Rockwell Automation MicroLogix 1400 Controllers Series A是一款可编程逻辑控制器。MicroLogix 1100 Controllers是一款可编程逻辑控制器。RSLogix 500 Software是一套用于工业控制系统的编程软件。
多款Rockwell Automation产品中存在安全漏洞，该漏洞源于RSLogix 500二进制文件中带有用于保护账户密码的硬编码加密密钥。远程攻击者可利用该漏洞获取控制器未授权的访问权限。以下产品及版本受到影响：Rockwell Automation MicroLogix 1400 Controllers Series B v21.001及之前版本；MicroLogix 1400 Controllers Series A（全部版本）；MicroLogix 1100 Controller（全部版本）；RSLogix 500 Software v12.001及之前版本。
solution:Upgrade rockwellautomation micrologix_1400_a_firmware to a higher version than *; Upgrade rockwellautomation micrologix_1400_b_firmware to a higher version than 21.001,and avoid the version (,21.001]; Upgrade rockwellautomation micrologix_1100_firmware to a higher version than *; Upgrade rockwellautomation rslogix_500 to a higher version than 12.001,and avoid the version (,12.001]