CVE-2016-8368 Information

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 Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

8.6