CVE-2016-8368

Name of the Vulnerable Software and Affected Versions Mitsubishi Electric Automation MELSEC-Q series Ethernet interface modules QJ71E71-100, all versions Mitsubishi Electric Automation MELSEC-Q series Ethernet interface modules QJ71E71-B5, all versions Mitsubishi Electric Automation MELSEC-Q series Ethernet interface modules QJ71E71-B2, all versions

Description The issue allows a remote attacker to connect to the PLC via Port 5002/TCP and cause a denial of service, requiring the PLC to be reset to resume operation. This is caused by an Unrestricted Externally Accessible Lock.

Recommendations For Mitsubishi Electric Automation MELSEC-Q series Ethernet interface modules QJ71E71-100, all versions, restrict access to Port 5002/TCP to minimize the risk of exploitation. For Mitsubishi Electric Automation MELSEC-Q series Ethernet interface modules QJ71E71-B5, all versions, restrict access to Port 5002/TCP to minimize the risk of exploitation. For Mitsubishi Electric Automation MELSEC-Q series Ethernet interface modules QJ71E71-B2, all versions, restrict access to Port 5002/TCP to minimize the risk of exploitation.