Mitsubishi Electric MELSEC WS Ethernet Interface Modules Authentication Bypass (CVE-2023-6374)

high Tenable OT Security Plugin ID 501955

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Authentication Bypass by Capture-replay vulnerability in Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200 all serial numbers allows a remote unauthenticated attacker to bypass authentication by capture-replay attack and illegally login to the affected module. As a result, the remote attacker who has logged in illegally may be able to disclose or tamper with the programs and parameters in the modules.

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Solution

Refer to the vendor advisory.

Plugin Details

Severity: High

ID: 501955

Version: 1.3

Type: remote

Family: Tenable.ot

Published: 2/9/2024

Updated: 12/18/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2023-6374

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:N/I:H/A:N

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

Vulnerability Information

CPE: cpe:/o:mitsubishielectric:melsec_ws0-geth00200_firmware:-

Required KB Items: Tenable.ot/Mitsubishi

Exploit Ease: No known exploits are available

Patch Publication Date: 1/30/2024

Vulnerability Publication Date: 1/30/2024

Reference Information

CVE: CVE-2023-6374

CWE: 294

ICSA: 24-030-03

Detections

Analytics