Mitsubishi MELSEC-Q Ethernet Interface Modules Weak Encryption Algorithm

high Nessus Network Monitor Plugin ID 720090

Synopsis

Weakly encrypted passwords are transmitted to a MELSEC-Q series Ethernet interface modules.

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. Weakly encrypted passwords are transmitted to a MELSEC-Q PLC.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

Plugin Details

Severity: High

ID: 720090

Family: SCADA

Published: 5/8/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Patch Publication Date: 12/1/2016

Vulnerability Publication Date: 12/1/2016

Reference Information

CVE: CVE-2016-8370

BID: 94632

Detections

Analytics