CVE:CVE-2021-20592
CNNVD:CNNVD-202107-2082
Mitsubishi Electric GOT2000是日本三菱电机（Mitsubishi Electric）公司的一款GOT2000系列图形操作终端。
Mitsubishi Electric GOT2000  存在安全漏洞，该漏洞源于通过快速、反复地连接和断开GOT上的MODBUS TCP通信端口来停止产品的通信功能。攻击者可利用该漏洞导致拒绝服务状态，需要重启硬件和软件才能恢复。
solution:Upgrade mitsubishielectric gt_softgot2000 to a higher version than 1.256s,and avoid the version [1.170c,1.256s]; Upgrade mitsubishielectric got2000_gt27_firmware to a higher version than 01.39.010,and avoid the version [01.19.000,01.39.010]; Upgrade mitsubishielectric got2000_gt25_firmware to a higher version than 01.39.010,and avoid the version [01.19.000,01.39.010]; Upgrade mitsubishielectric got2000_gt23_firmware to a higher version than 01.39.010,and avoid the version [01.19.000,01.39.010]