Vulnerability Report

CVE-2016-8368

Title: Mitsubishielectric Qj71E71-B2 Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2016-8368.

CWE Category CWE-662

Published Date Feb 13, 2017

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 8.6 CVSS v3.1

Exploit Probability (EPSS)

2.61%

Vulnerability Summary

CVE-2016-8368: 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.

Impacted Vendors

mitsubishielectric 3

Reference Links

http://www.securityfocus.com/bid/94632 https://ics-cert.us-cert.gov/advisories/ICSA-16-336-03 http://www.securityfocus.com/bid/94632 https://ics-cert.us-cert.gov/advisories/ICSA-16-336-03

CVSS v3.1

Source Entity [email protected]

Severity HIGH

8.6

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns