CVE:CVE-2020-16850
CNNVD:CNNVD-202010-370
Mitsubishi Electric MELSEC iQ-R series是日本三菱电机（Mitsubishi Electric）公司的一款可编程逻辑控制器。
R00/01/02CPU 所有版本，R04/08/16/32/120(EN)CPU所有版本，R08/16/32/120SFCPU所有版本，存在安全漏洞，该漏洞源于，R08/16/32/120PCPU所有版本,R16/32/64MTCPU所有版本存在安全漏洞，该漏洞允许攻击者造成拒绝服务。
solution:Upgrade mitsubishielectric r00cpu_firmware to a higher version than 20,and avoid the version (,20]; Upgrade mitsubishielectric r01cpu_firmware to a higher version than 20,and avoid the version (,20]; Upgrade mitsubishielectric r02cpu_firmware to a higher version than 20,and avoid the version (,20]; Upgrade mitsubishielectric r04cpu_firmware to a higher version than 52,and avoid the version (,52]; Upgrade mitsubishielectric r08cpu_firmware to a higher version than 52,and avoid the version (,52]; Upgrade mitsubishielectric r16cpu_firmware to a higher version than 52,and avoid the version (,52]; Upgrade mitsubishielectric r32cpu_firmware to a higher version than 52,and avoid the version (,52]; Upgrade mitsubishielectric r120cpu_firmware to a higher version than 52,and avoid the version (,52]; Upgrade mitsubishielectric r08sfcpu_firmware to a higher version than 22,and avoid the version (,22]; Upgrade mitsubishielectric r16sfcpu_firmware to a higher version than 22,and avoid the version (,22]; Upgrade mitsubishielectric r32sfcpu_firmware to a higher version than 22,and avoid the version (,22]; Upgrade mitsubishielectric r120sfcpu_firmware to a higher version than 22,and avoid the version (,22]; Upgrade mitsubishielectric r08pcpu_firmware to a higher version than *; Upgrade mitsubishielectric r16pcpu_firmware to a higher version than *; Upgrade mitsubishielectric r32pcpu_firmware to a higher version than *; Upgrade mitsubishielectric r120pcpu_firmware to a higher version than *; Upgrade mitsubishielectric r16mtcpu_firmware to a higher version than *; Upgrade mitsubishielectric r32mtcpu_firmware to a higher version than *; Upgrade mitsubishielectric r64mtcpu_firmware to a higher version than *