Vulnerability · Published Nov 8, 2022 · Assigned by Mitsubishi
CVE-2022-33321
Critical 9.8
In plain English
A critical-severity security flaw in Air Conditioning MSZ-EM22/25/28/36/40/56/63/71/80/9020E8(S) from Mitsubishi Electric Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-319 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://jvn.jp/vu/JVNVU96767562/index.html government-resource
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-010_en.pdf vendor-advisory
- https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2022-010.pdf vendor-advisory