Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mitsubishielectric | Qj71E71-100 Firmware | - |
| Mitsubishielectric | Qj71E71-100 | - |
| Mitsubishielectric | Qj71E71-B5 Firmware | - |
| Mitsubishielectric | Qj71E71-B5 | - |
| Mitsubishielectric | Qj71E71-B2 Firmware | - |
| Mitsubishielectric | Qj71E71-B2 | - |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/94632Third Party AdvisoryVDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-16-336-03MitigationThird Party AdvisoryUS Government Resource
- http://www.securityfocus.com/bid/94632Third Party AdvisoryVDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-16-336-03MitigationThird Party AdvisoryUS Government Resource
FAQ
What is CVE-2016-8368?
CVE-2016-8368 is a vulnerability with a CVSS score of 8.6 (HIGH). 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 Eth...
How severe is CVE-2016-8368?
CVE-2016-8368 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-8368?
Check the references section above for vendor advisories and patch information. Affected products include: Mitsubishielectric Qj71E71-100 Firmware, Mitsubishielectric Qj71E71-100, Mitsubishielectric Qj71E71-B5 Firmware, Mitsubishielectric Qj71E71-B5, Mitsubishielectric Qj71E71-B2 Firmware.