CVE:CVE-2021-20998
CNNVD:CNNVD-202105-829
WAGO是德国万可（WAGO）的一款750-88x系列可编程逻辑控制器。该设备专门为在工业环境下应用而设计的数字运算操作电子系统。
WAGO 存在安全漏洞。攻击者可以使用特制的数据包创建用户。
solution:Upgrade wago 0852-0303_firmware to a higher version than 1.2.3.s0,and avoid the version (,1.2.3.s0]; Upgrade wago 0852-1305_firmware to a higher version than 1.1.7.s0,and avoid the version (,1.1.7.s0]; Upgrade wago 0852-1505_firmware to a higher version than 1.1.6.s0,and avoid the version (,1.1.6.s0]; Upgrade wago 0852-1305/000-001_firmware to a higher version than 1.0.4.s0,and avoid the version (,1.0.4.s0]; Upgrade wago 0852-1505/000-001_firmware to a higher version than 1.0.4.s0,and avoid the version (,1.0.4.s0]