CVE:CVE-2020-5656
CNNVD:CNNVD-202010-1662
Mitsubishi Electric MELSEC-Q Series等都是日本三菱电机（Mitsubishi Electric）公司的产品。MELSEC-Q Series是一款MELSEC-Q系列的可编程逻辑控制器。MELSEC-L Series是一款MELSEC-L系列的可编程逻辑控制器。MELSEC iQ-R series是一款可编程逻辑控制器。
MELSEC iQ-R, Q和 L Series 存在安全漏洞，攻击者可利用该漏洞可以传递一个特殊制作的包，该包可能允许攻击者造成拒绝服务条件或执行任意代码。以下产品及版本受到影响：EtherNet/IP Network Interface Module, RJ71EIP91: First 2 digits of serial number are 02 及之前版本，PROFINET IO Controller Module, RJ71PN92: First 2 digits of serial number are 01 及之前版本，High Speed Data Logger Module, RD81DL96: First 2 digits of serial number are 08 及之前版本，MES Interface Module, RD81MES96N: First 2 digits of serial number are 04 及之前版本，OPC UA Server Module, RD81OPC96: First 2 digits of serial number are 04 及之前版本。
solution:Upgrade mitsubishielectric melsec_iq-rj71eip91_firmware to a higher version than -; Upgrade mitsubishielectric melsec_iq-rj71pn92_firmware to a higher version than -; Upgrade mitsubishielectric melsec_iq-rd81dl96_firmware to a higher version than -; Upgrade mitsubishielectric melsec_iq-rd81mes96n_firmware to a higher version than -; Upgrade mitsubishielectric melsec_iq-rd81opc96_firmware to a higher version than -