CVE:CVE-2020-5527
CNNVD:CNNVD-202003-1699
Misubishi Electric MELSEC iQ-R series等都是日本三菱电机（Misubishi Electric）公司的一款可编程逻辑控制器。
多款Mitsubishi Electric产品存在资源管理错误漏洞。攻击者可通过向MELSOFT传输端口（UDP/IP）发送大量数据利用该漏洞造成拒绝服务。以下产品及版本受到影响： MELSEC iQ-R series（所有版本）；MELSEC iQ-F series（所有版本）；MELSEC Q series（所有版本）；MELSEC L series（所有版本）；MELSEC F series（所有版本）。
solution:Upgrade mitsubishielectric cr800-q_firmware to a higher version than -; Upgrade mitsubishielectric fx3g_firmware to a higher version than -; Upgrade mitsubishielectric fx3gc_firmware to a higher version than -; Upgrade mitsubishielectric fx3s_firmware to a higher version than -; Upgrade mitsubishielectric fx3u_firmware to a higher version than -; Upgrade mitsubishielectric fx3uc_firmware to a higher version than -; Upgrade mitsubishielectric fx5u_firmware to a higher version than -; Upgrade mitsubishielectric fx5uc_firmware to a higher version than -; Upgrade mitsubishielectric fx5uj_firmware to a higher version than -; Upgrade mitsubishielectric l02cpu_firmware to a higher version than -; Upgrade mitsubishielectric l02cpu-p_firmware to a higher version than -; Upgrade mitsubishielectric l02scpu_firmware to a higher version than -; Upgrade mitsubishielectric l02scpu-p_firmware to a higher version than -; Upgrade mitsubishielectric l06cpu_firmware to a higher version than -; Upgrade mitsubishielectric l06cpu-p_firmware to a higher version than -; Upgrade mitsubishielectric l26cpu_firmware to a higher version than -; Upgrade mitsubishielectric l26cpu-bt_firmware to a higher version than -; Upgrade mitsubishielectric l26cpu-p_firmware to a higher version than -; Upgrade mitsubishielectric l26cpu-pbt_firmware to a higher version than -; Upgrade mitsubishielectric q02phcpu_firmware to a higher version than -; Upgrade mitsubishielectric q06phcpu_firmware to a higher version than -; Upgrade mitsubishielectric q12dccpu-v_firmware to a higher version than -; Upgrade mitsubishielectric q12phcpu_firmware to a higher version than -; Upgrade mitsubishielectric q12prhcpu_firmware to a higher version than -; Upgrade mitsubishielectric q172dscpu_firmware to a higher version than -; Upgrade mitsubishielectric q173dscpu_firmware to a higher version than -; Upgrade mitsubishielectric q173nccpu_firmware to a higher version than -; Upgrade mitsubishielectric q24dhccpu-ls_firmware to a higher version than -; Upgrade mitsubishielectric q24dhccpu-v_firmware to a higher version than -; Upgrade mitsubishielectric q24dhccpu-vg2_firmware to a higher version than -; Upgrade mitsubishielectric q25phcpu_firmware to a higher version than -; Upgrade mitsubishielectric q25prhcpu_firmware to a higher version than -; Upgrade mitsubishielectric q26dhccpu-ls_firmware to a higher version than -; Upgrade mitsubishielectric r00cpu_firmware to a higher version than -; Upgrade mitsubishielectric r01cpu_firmware to a higher version than -; Upgrade mitsubishielectric r02cpu_firmware to a higher version than -; Upgrade mitsubishielectric r04cpu_firmware to a higher version than -; Upgrade mitsubishielectric r04encpu_firmware to a higher version than -; Upgrade mitsubishielectric r08cpu_firmware to a higher version than -; Upgrade mitsubishielectric r08encpu_firmware to a higher version than -; Upgrade mitsubishielectric r120cpu_firmware to a higher version than -; Upgrade mitsubishielectric r120encpu_firmware to a higher version than -; Upgrade mitsubishielectric r16cpu_firmware to a higher version than -; Upgrade mitsubishielectric r16encpu_firmware to a higher version than -; Upgrade mitsubishielectric r32cpu_firmware to a higher version than -; Upgrade mitsubishielectric r32encpu_firmware to a higher version than -