CVE:CVE-2020-6988
CNNVD:CNNVD-202003-550
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。远程攻击者可利用该漏洞绕过身份验证，获取敏感信息或凭证。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]