CVE-2020-5654: High severity Mitsubishielectric Melsec Iq-rj71eip91 Firmware vulnerability
Session fixation vulnerability in TCP/IP function included in the firmware of MELSEC iQ-R series (RJ71EIP91 EtherNet/IP Network Interface Module First 2 digits of serial number are '02' or before, RJ71PN92 PROFINET IO Controller Module First 2 digits of serial number are '01' or before, RD81DL96 High Speed Data Logger Module First 2 digits of serial number are '08' or before, RD81MES96N MES Interface Module First 2 digits of serial number are '04' or before, and RD81OPC96 OPC UA Server Module First 2 digits of serial number are '04' or before) allows a remote unauthenticated attacker to stop the network functions of the products via a specially crafted packet.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2020-5654?
CVE-2020-5654 is a session fixation vulnerability in the TCP/IP function included in the firmware of MELSEC iQ-R series devices.
Which MELSEC iQ-R series devices are affected by CVE-2020-5654?
The MELSEC iQ-R series devices affected by CVE-2020-5654 include the RJ71EIP91 EtherNet/IP Network Interface Module and the RJ71PN92 PROFINET IO Controller Module.
What is the severity of CVE-2020-5654?
CVE-2020-5654 has a severity rating of 7.5 (High).
How can I fix CVE-2020-5654?
To fix CVE-2020-5654, you should update the firmware of the affected MELSEC iQ-R series devices to the latest version provided by Mitsubishi Electric.
Where can I find more information about CVE-2020-5654?
You can find more information about CVE-2020-5654 on the official Mitsubishi Electric PSIRT website and the JVN Vulnerability Database.