QID 590709

Date Published: 2022-07-18

QID 590709: Mitsubishi Electric Air Conditioning Systems Vulnerability (ICSA-21-182-05)

AFFECTED PRODUCTS
Mitsubishi Electric reports this vulnerability affects the following air conditioning systems:
Air Conditioning System/Centralized Controllers:


G-50A: Versions 3.35 and prior
GB-50A: Versions 3.35 and prior
GB-24A: Versions 9.11 and prior
AG-150A-A: Versions 3.20 and prior
AG-150A-J: Versions 3.20 and prior
GB-50ADA-A: Versions 3.20 and prior
GB-50ADA-J: Versions 3.20 and prior
EB-50GU-A: Versions 7.09 and prior
EB-50GU-J: Versions 7.09 and prior
AE-200A: Versions 7.93 and prior
AE-200E: Versions 7.93 and prior
AE-50A: Versions 7.93 and prior
AE-50E: Versions 7.93 and prior
EW-50A: Versions 7.93 and prior
EW-50E: Versions 7.93 and prior
TE-200A: Versions 7.93 and prior
TE-50A: Versions 7.93 and prior
TW-50A: Versions 7.93 and prior
CMS-RMD-J: Versions 1.30 and prior
Successful exploitation of this vulnerability may allow an attacker to disclose some of the data in the air conditioning system or cause a denial-of-service condition.

  • CVSS V3 rated as Critical - 8.2 severity.
  • CVSS V2 rated as Critical - 8.5 severity.
    • Solution

    Customers are advised to refer to CERT MITIGATIONS section ICSA-21-182-05 for affected packages and patching details.
    Air Conditioning System/Expansion Controllers:Workaround:

    Air Conditioning System/BM adapter:

    Vendor References

    CVEs related to QID 590709

    CVE-2021-20595 |
    Software Advisories
    Advisory ID Software Component Link
    ICSA-21-182-05 URL Logo www.us-cert.gov/ics/advisories/ICSA-21-182-05
    By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].
    © CVE.report 2026 |

    Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

    CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

    Free CVE JSON API cve.report/api

    CVE.report and Source URL Uptime Status status.cve.report