CVE-2022-33321
9.8 · CRITICALOverview
CVE-2022-33321 is a critical-severity vulnerability affecting mitsubishielectric mac-557if-e_firmware. It was published on November 8, 2022 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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
Remediation
Check the references section for vendor advisories and patches from mitsubishielectric. Update mac-557if-e_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|
References
Frequently Asked Questions
What is CVE-2022-33321?
CVE-2022-33321 is a critical-severity vulnerability affecting mitsubishielectric mac-557if-e_firmware. It was published on November 8, 2022 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2022-33321?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2022-33321?
Check the references section for vendor advisories and patches from mitsubishielectric. Update mac-557if-e_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-33321?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-33321 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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