Mitsubishi (CVE-2022-33321)

critical Tenable OT Security Plugin ID 503221

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Cleartext Transmission of Sensitive Information vulnerability due to the use of Basic Authentication for HTTP connections in Mitsubishi Electric consumer electronics products (PHOTOVOLTAIC COLOR MONITOR ECO-GUIDE, HEMS adapter, Wi-Fi Interface, Air Conditioning, Induction hob, Mitsubishi Electric HEMS Energy Measurement Unit, Refrigerator, Remote control with Wi-Fi Interface, BATHROOM THERMO VENTILATOR, Rice cooker, Mitsubishi Electric HEMS control adapter, Energy Recovery Ventilator, Smart Switch, Ventilating Fan, Range hood fan, Energy Measurement Unit and Air Purifier) allows a remote unauthenticated attacker to disclose information in the products or cause a denial of service (DoS) condition as a result by sniffing credential information (username and password). The wide range of models/versions of Mitsubishi Electric consumer electronics products are affected by this vulnerability. As for the affected product models/versions, see the Mitsubishi Electric's advisory which is listed in [References] section.

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: Critical

ID: 503221

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 5/1/2025

Updated: 5/1/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

Vulnerability Information

CPE: cpe:/o:mitsubishielectric:msz-hr25%2f35%2f42%2f50%2f60%2f71vfk-et1_firmware, cpe:/o:mitsubishielectric:msz-hr25%2f35%2f42%2f50%2f60%2f71vfk-er1_firmware, cpe:/o:mitsubishielectric:msz-hr25%2f35%2f42%2f50vfk-e6_firmware, cpe:/o:mitsubishielectric:msz-hr25%2f35%2f42%2f50%2f60%2f71vfk-e1_firmware

Required KB Items: Tenable.ot/Mitsubishi

Exploit Ease: No known exploits are available

Patch Publication Date: 11/8/2022

Vulnerability Publication Date: 11/8/2022

Reference Information

CVE: CVE-2022-33321

CWE: 319

Detections

Analytics