High severity8.6NVD Advisory· Published Feb 13, 2017· Updated Jun 17, 2026
CVE-2016-8368
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.
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Affected products
4cpe:2.3:o:mitsubishielectric:qj71e71-100_firmware:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:mitsubishielectric:qj71e71-100_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:qj71e71-b5_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mitsubishielectric:qj71e71-b2_firmware:-:*:*:*:*:*:*:*
- Range: all versions
Patches
Vulnerability mechanics
References
2- www.securityfocus.com/bid/94632nvdThird Party AdvisoryVDB Entry
- ics-cert.us-cert.gov/advisories/ICSA-16-336-03nvdMitigationThird Party AdvisoryUS Government Resource
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