Mitsubishi Electric MELSEC-Q QJ71E71 series Use of a Broken or Risky Cryptographic Algorithm (CVE-2016-8370)

high Tenable OT Security Plugin ID 500312

Synopsis

The remote OT asset is affected by a 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. Weakly encrypted passwords are transmitted to a MELSEC-Q PLC.

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

Plugin Details

Severity: High

ID: 500312

Version: 1.7

Type: remote

Family: Tenable.ot

Published: 2/7/2022

Updated: 12/18/2024

Supported Sensors: Tenable OT Security

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 Score Source: CVE-2016-8370

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

CPE: cpe:/o:mitsubishielectric:qj71e71-b2_firmware:-, cpe:/o:mitsubishielectric:qj71e71-b5_firmware:-, cpe:/o:mitsubishielectric:qj71e71-100_firmware:-

Required KB Items: Tenable.ot/Mitsubishi

Exploit Ease: No known exploits are available

Patch Publication Date: 2/13/2017

Vulnerability Publication Date: 2/13/2017

Reference Information

CVE: CVE-2016-8370

CWE: 327

ICSA: 16-336-03

Detections

Analytics