CVE-2016-8368: High severity Mitsubishielectric Qj71e71-100 Firmware vulnerability

Published Feb 13, 2017
·
Updated

An issue was discovered in Mitsubishi Electric Automation MELSEC-Q series Ethernet interface modules QJ71E71-100, all versions, QJ71E71-B5, all versions, and QJ71E71-B2, all versions. The affected Ethernet interface module is connected to a MELSEC-Q PLC, which may allow 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.

Affected Software

12 affected components
Mitsubishielectric Qj71e71-100 Firmware
Mitsubishielectric Qj71e71-100
Mitsubishielectric Qj71e71-b5 Firmware
Mitsubishielectric Qj71e71-b5
Mitsubishielectric Qj71e71-b2 Firmware
Mitsubishielectric Qj71e71-b2
All of the following
Mitsubishielectric Qj71e71-100 Firmware
Mitsubishielectric Qj71e71-100
All of the following
Mitsubishielectric Qj71e71-b5 Firmware
Mitsubishielectric Qj71e71-b5
All of the following
Mitsubishielectric Qj71e71-b2 Firmware
Mitsubishielectric Qj71e71-b2

Event History

Feb 13, 2017
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
DescriptionWeakness
Data Sourced
via NVD·09:59 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2016-8368?

CVE-2016-8368 has been rated as a medium severity vulnerability.

2

How do I fix CVE-2016-8368?

To fix CVE-2016-8368, you should update the firmware on affected Mitsubishi Electric Automation MELSEC-Q Ethernet interface modules.

3

Which devices are affected by CVE-2016-8368?

CVE-2016-8368 affects the Mitsubishi Electric Automation MELSEC-Q series Ethernet interface modules QJ71E71-100, QJ71E71-B5, and QJ71E71-B2.

4

Can CVE-2016-8368 be exploited remotely?

Yes, CVE-2016-8368 allows a remote attacker to connect and potentially exploit the affected Ethernet interface modules.

5

What are the consequences of exploiting CVE-2016-8368?

Exploiting CVE-2016-8368 could lead to unauthorized access to the MELSEC-Q PLC, jeopardizing the security and operation of the automation system.

Contact

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