CVE-2016-8368

Description

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.

Category

8.6
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.69% Top 30%
Third-Party Advisory securityfocus.com Third-Party Advisory us-cert.gov
Affected: n/a Mitsubishi Electric MELSEC-Q Series Ethernet Interface Module
Published at:
Updated at:

References

Link Tags
https://ics-cert.us-cert.gov/advisories/ICSA-16-336-03 mitigation third party advisory us government resource
http://www.securityfocus.com/bid/94632 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2016-8368?
CVE-2016-8368 has been scored as a high severity vulnerability.
How to fix CVE-2016-8368?
To fix CVE-2016-8368, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-8368 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-8368 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2016-8368?
CVE-2016-8368 affects n/a Mitsubishi Electric MELSEC-Q Series Ethernet Interface Module.
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