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 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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.2 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
MitsubishiCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 37%
VendorProductVersion
mitsubishig-50a_firmware
2.50 ≤
𝑥
≤ 3.35
mitsubishigb-50a_firmware
2.50 ≤
𝑥
≤ 3.35
mitsubishiag-150a-a_firmware
𝑥
≤ 3.20
mitsubishiag-150a-j_firmware
𝑥
≤ 3.20
mitsubishigb-50ada-a_firmware
𝑥
≤ 3.20
mitsubishigb-50ada-j_firmware
𝑥
≤ 3.20
mitsubishieb-50gu-a_firmware
𝑥
≤ 7.09
mitsubishieb-50gu-j_firmware
𝑥
≤ 7.09
mitsubishiae-200a_firmware
𝑥
≤ 7.93
mitsubishiae-200e_firmware
𝑥
≤ 7.93
mitsubishiae-50a_firmware
𝑥
≤ 7.93
mitsubishiae-50e_firmware
𝑥
≤ 7.93
mitsubishiew-50a_firmware
𝑥
≤ 7.93
mitsubishiew-50e_firmware
𝑥
≤ 7.93
mitsubishite-200a_firmware
𝑥
≤ 7.93
mitsubishite-50a_firmware
𝑥
≤ 7.93
mitsubishitw-50a_firmware
𝑥
≤ 7.93
mitsubishicms-rmd-j_firmware
𝑥
≤ 1.30
mitsubishipac-yg50eca_firmware
𝑥
≤ 2.20
𝑥
= Vulnerable software versions