CVE:CVE-2021-4161
CNNVD:CNNVD-202112-2246
MOXA Moxa MGate MB3280和Moxa MGate MB3480都是中国台湾摩莎（MOXA）公司的产品。Moxa MGate MB3280是一款MB3280系列以太网网关产品。Moxa MGate MB3480是一款MB3480系列以太网网关产品。
Moxa MGate MB3180/MB3280/MB3480系列协议网关存在安全漏洞，攻击者可利用该漏洞嗅探流量并解密登录凭据详细信息，获取管理员权限。
solution:Upgrade moxa mgate_mb3180_firmware to a higher version than 2.2,and avoid the version (,2.2]; Upgrade moxa mgate_mb3280_firmware to a higher version than 4.1,and avoid the version (,4.1]; Upgrade moxa mgate_mb3480_firmware to a higher version than 3.2,and avoid the version (,3.2]