CVE-2021-20595
Improper Restriction of XML External Entity Reference vulnerability in Mitsubishi Electric Air Conditioning System/Centralized Controllers (G-50A Ver.3.35 and …
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Mitsubishi | G-50a Firmware | from 2.50 through 3.35 |
| Mitsubishi | Gb-50a Firmware | from 2.50 through 3.35 |
| Mitsubishi | Ag-150a-A Firmware | through 3.20 |
| Mitsubishi | Ag-150a-J Firmware | through 3.20 |
| Mitsubishi | Gb-50ada-A Firmware | through 3.20 |
| Mitsubishi | Gb-50ada-J Firmware | through 3.20 |
| Mitsubishi | Eb-50gu-A Firmware | through 7.09 |
| Mitsubishi | Eb-50gu-J Firmware | through 7.09 |
| Mitsubishi | Ae-200a Firmware | through 7.93 |
| Mitsubishi | Ae-200e Firmware | through 7.93 |
| Mitsubishi | Ae-50a Firmware | through 7.93 |
| Mitsubishi | Ae-50e Firmware | through 7.93 |