CVE:CVE-2020-13238
CNNVD:CNNVD-202006-827
Misubishi Electric MELSEC iQ-R series是日本三菱电机（Misubishi Electric）公司的一款可编程逻辑控制器。
Mitsubishi Electric MELSEC iQ-R系列中存在资源管理错误漏洞。攻击者可通过在短时间内发送大量特制的数据包利用该漏洞消耗大量资源，进而导致以太网端口拒绝服务。以下产品及版本受到影响：使用39及之前版本固件的R04/08/16/32/120CPU；使用39及之前版本固件的R04/08/16/32/120ENCPU；使用7及之前版本固件的R00/01/02CPU；使用20及之前版本固件的R08/16/32/120SFCPU；R08/16/32/120PCPU（所有版本）；R08/16/32/120PSFCPU（所有版本）；RJ71EN71（所有版本）。
solution:Upgrade mitsubishielectric melsec_iq-r00cpu_firmware to a higher version than 7,and avoid the version (,7]; Upgrade mitsubishielectric melsec_iq-r01cpu_firmware to a higher version than 7,and avoid the version (,7]; Upgrade mitsubishielectric melsec_iq-r02cpu_firmware to a higher version than 7,and avoid the version (,7]; Upgrade mitsubishielectric melsec_iq-r04cpu_firmware to a higher version than 39,and avoid the version (,39]; Upgrade mitsubishielectric melsec_iq-r08cpu_firmware to a higher version than 39,and avoid the version (,39]; Upgrade mitsubishielectric melsec_iq-r16cpu_firmware to a higher version than 39,and avoid the version (,39]; Upgrade mitsubishielectric melsec_iq-r32cpu_firmware to a higher version than 39,and avoid the version (,39]; Upgrade mitsubishielectric melsec_iq-r120cpu_firmware to a higher version than 39,and avoid the version (,39]; Upgrade mitsubishielectric melsec_iq-r08fcpu_firmware to a higher version than 20,and avoid the version (,20]; Upgrade mitsubishielectric melsec_iq-r16fcpu_firmware to a higher version than 20,and avoid the version (,20]; Upgrade mitsubishielectric melsec_iq-r32fcpu_firmware to a higher version than 20,and avoid the version (,20]; Upgrade mitsubishielectric melsec_iq-r120fcpu_firmware to a higher version than 20,and avoid the version (,20]; Upgrade mitsubishielectric melsec_iq-r08pcpu_firmware to a higher version than *; Upgrade mitsubishielectric melsec_iq-r16pcpu_firmware to a higher version than *; Upgrade mitsubishielectric melsec_iq-r32pcpu_firmware to a higher version than *; Upgrade mitsubishielectric melsec_iq-r120pcpu_firmware to a higher version than *; Upgrade mitsubishielectric melsec_iq-r08sfcpu_firmware to a higher version than *; Upgrade mitsubishielectric melsec_iq-r16sfcpu_firmware to a higher version than *; Upgrade mitsubishielectric melsec_iq-r32sfcpu_firmware to a higher version than *; Upgrade mitsubishielectric melsec_iq-r120sfcpu_firmware to a higher version than *; Upgrade mitsubishielectric melsec_iq-rj71en71_firmware to a higher version than *