Vulnerability · Published Jul 13, 2021 · Assigned by Mitsubishi
CVE-2021-20595
High 8.2
In plain English
A high-severity security flaw in Air Conditioning System/Centralized Controllers G-50A; GB-50A; GB-24A; AG-150A-A; AG-150A-J; GB-50ADA-A; GB-50ADA-J; EB-50GU-A; EB-50GU-J; AE-200A; AE-200E; AE-50A; AE-50E; EW-50A; EW-50E; TE-200A; TE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities).
Official description
Improper Restriction of XML External Entity Reference vulnerability in Mitsubishi Electric Air Conditioning System/Centralized Controllers (G-50A Ver.3.35 and prior, GB-50A Ver.3.35 and prior, GB-24A Ver.9.11 and prior, AG-150A-A Ver.3.20 and prior, AG-150A-J Ver.3.20 and prior, GB-50ADA-A Ver.3.20 and prior, GB-50ADA-J Ver.3.20 and prior, EB-50GU-A Ver 7.09 and prior, EB-50GU-J Ver 7.09 and prior, AE-200A Ver 7.93 and prior, AE-200E Ver 7.93 and prior, AE-50A Ver 7.93 and prior, AE-50E Ver 7.93 and prior, EW-50A Ver 7.93 and prior, EW-50E Ver 7.93 and prior, TE-200A Ver 7.93 and prior, TE-50A Ver 7.93 and prior, TW-50A Ver 7.93 and prior, CMS-RMD-J Ver.1.30 and prior), Air Conditioning System/Expansion Controllers (PAC-YG50ECA Ver.2.20 and prior) and Air Conditioning System/BM adapter(BAC-HD150 Ver.2.21 and prior) allows a remote unauthenticated attacker to disclose some of data in the air conditioning system or cause a DoS condition by sending specially crafted packets.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Air Conditioning System/Centralized Controllers G-50A; GB-50A; GB-24A; AG-150A-A; AG-150A-J; GB-50ADA-A; GB-50ADA-J; EB-50GU-A; EB-50GU-J; AE-200A; AE-200E; AE-50A; AE-50E; EW-50A; EW-50E; TE-200A; TE-50A; TW-50A; CMS-RMD-J; Air Conditioning System/Expansion Controllers PAC-YG50ECA; Air Conditioning System/BM adapter BAC-HD150 | Ver.3.35 and priorVer.9.11 and priorVer.3.20 and priorVer 7.09 and priorVer 7.93 and priorVer.1.30 and priorVer.2.20 and priorVer.2.21 and prior |
References
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-005_en.pdf x_refsource_MISC
- https://jvn.jp/vu/JVNVU93086468/index.html x_refsource_MISC