CVE-2022-24296: Use of a Broken or Risky Cryptographic Algorithm vulnerability in Air Conditioning System G-150AD Ver. 3.21 and prior, Air Conditioning System AG-150A...

Description

Use of a Broken or Risky Cryptographic Algorithm vulnerability in Air Conditioning System G-150AD Ver. 3.21 and prior, Air Conditioning System AG-150A-A Ver. 3.21 and prior, Air Conditioning System AG-150A-J Ver. 3.21 and prior, Air Conditioning System GB-50AD Ver. 3.21 and prior, Air Conditioning System GB-50ADA-A Ver. 3.21 and prior, Air Conditioning System GB-50ADA-J Ver. 3.21 and prior, Air Conditioning System EB-50GU-A Ver. 7.10 and prior, Air Conditioning System EB-50GU-J Ver. 7.10 and prior, Air Conditioning System AE-200J Ver. 7.97 and prior, Air Conditioning System AE-200A Ver. 7.97 and prior, Air Conditioning System AE-200E Ver. 7.97 and prior, Air Conditioning System AE-50J Ver. 7.97 and prior, Air Conditioning System AE-50A Ver. 7.97 and prior, Air Conditioning System AE-50E Ver. 7.97 and prior, Air Conditioning System EW-50J Ver. 7.97 and prior, Air Conditioning System EW-50A Ver. 7.97 and prior, Air Conditioning System EW-50E Ver. 7.97 and prior, Air Conditioning System TE-200A Ver. 7.97 and prior, Air Conditioning System TE-50A Ver. 7.97 and prior and Air Conditioning System TW-50A Ver. 7.97 and prior allows a remote unauthenticated attacker to cause a disclosure of encrypted message of the air conditioning systems by sniffing encrypted communications.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.07%

60.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-327

Affected Software

Vendor	Product	Versions
Mitsubishi	Ae-200a Firmware	<= 7.97
Mitsubishi	Ae-200e Firmware	<= 7.97
Mitsubishi	Ae-200j Firmware	<= 7.97
Mitsubishi	Ae-50a Firmware	<= 7.97
Mitsubishi	Ae-50e Firmware	<= 7.97
Mitsubishi	Ae-50j Firmware	<= 7.97
Mitsubishi	Ag-150a-A Firmware	<= 3.21
Mitsubishi	Ag-150a-J Firmware	<= 3.21
Mitsubishi	Eb-50gu-A Firmware	<= 7.10
Mitsubishi	Eb-50gu-J Firmware	<= 7.10
Mitsubishi	Ew-50a Firmware	<= 7.97
Mitsubishi	Ew-50e Firmware	<= 7.97
Mitsubishi	Ew-50j Firmware	<= 7.97
Mitsubishi	G-150ad Firmware	<= 3.21
Mitsubishi	Gb-50a Firmware	<= 3.21
Mitsubishi	Gb-50ada-A Firmware	<= 3.21
Mitsubishi	Gb-50ada-J Firmware	<= 3.21
Mitsubishi	Te-200a Firmware	<= 7.97
Mitsubishi	Te-50a Firmware	<= 7.97
Mitsubishi	Tw-50a Firmware	<= 7.97

References

https://jvn.jp/vu/JVNVU95298925/index.htmlThird Party Advisory
https://www.mee.co.jp/psirt/vulnerability/pdf/2022-001.pdfThird Party Advisory
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-005_en.pdfVendor Advisory
https://jvn.jp/vu/JVNVU95298925/index.htmlThird Party Advisory
https://www.mee.co.jp/psirt/vulnerability/pdf/2022-001.pdfThird Party Advisory
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-005_en.pdfVendor Advisory

Timeline

Published: Jun 8, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-24296?

Use of a Broken or Risky Cryptographic Algorithm vulnerability in Air Conditioning System G-150AD Ver. 3.21 and prior, Air Conditioning System AG-150A-A Ver. 3.21 and prior, Air Conditioning System AG-150A-J Ver. 3.21 and prior, Air Conditioning System GB-50AD Ver. 3.21 and prior, Air Conditioning System GB-50ADA-A Ver. 3.21 and prior, Air Conditioning System GB-50ADA-J Ver. 3.21 and prior, Air Conditioning System EB-50GU-A Ver. 7.10 and prior, Air Conditioning System EB-50GU-J Ver. 7.10 and prior, Air Conditioning System AE-200J Ver. 7.97 and prior, Air Conditioning System AE-200A Ver. 7.97 and prior, Air Conditioning System AE-200E Ver. 7.97 and prior, Air Conditioning System AE-50J Ver. 7.97 and prior, Air Conditioning System AE-50A Ver. 7.97 and prior, Air Conditioning System AE-50E Ver. 7.97 and prior, Air Conditioning System EW-50J Ver. 7.97 and prior, Air Conditioning System EW-50A Ver. 7.97 and prior, Air Conditioning System EW-50E Ver. 7.97 and prior, Air Conditioning System TE-200A Ver. 7.97 and prior, Air Conditioning System TE-50A Ver. 7.97 and prior and Air Conditioning System TW-50A Ver. 7.97 and prior allows a remote unauthenticated attacker to cause a disclosure of encrypted message of the air conditioning systems by sniffing encrypted communications.

How severe is CVE-2022-24296?

CVE-2022-24296 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.07% probability of exploitation in the next 30 days.

How do I fix CVE-2022-24296?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.