CVE-2016-8370: Weak Encryption

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. Weakly encrypted passwords are transmitted to a MELSEC-Q PLC.

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-2016-8370?

CVE-2016-8370 is rated as a medium severity vulnerability due to the transmission of weakly encrypted passwords.

2

How do I fix CVE-2016-8370?

To mitigate CVE-2016-8370, update the firmware of the affected Mitsubishi Electric Automation MELSEC-Q series Ethernet interface modules to the latest version that addresses the issue.

3

What devices are affected by CVE-2016-8370?

CVE-2016-8370 affects the Mitsubishi Electric Automation MELSEC-Q series Ethernet interface modules QJ71E71-100, QJ71E71-B5, and QJ71E71-B2.

4

What is the impact of CVE-2016-8370?

The impact of CVE-2016-8370 is that attackers could potentially intercept and decipher weakly encrypted passwords, leading to unauthorized access.

5

Is there a workaround for CVE-2016-8370?

Currently, the recommended workaround for CVE-2016-8370 is to disable remote access to the affected modules when possible until the firmware is updated.

Contact

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