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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) and Air Conditioning System/Expansion Controllers (PAC-YG50ECA Ver.2.20 and prior) allows a remote authenticated attacker to impersonate administrators to disclose configuration information of the air conditioning system and tamper information (e.g. operation information and configuration of air conditioning system) by exploiting this vulnerability."}, {"lang": "es", "value": "Una Implementaci\u00f3n Incorrecta del Algoritmo de Autenticaci\u00f3n en Mitsubishi Electric Air Conditioning System/Centralized Controllers versiones: (G-50A Versiones.2.50 hasta Versiones. 3.35, GB-50A Versiones.2.50 hasta Versiones. 3.35, AG-150A-A Ver.3.20 y anteriores, AG-150A-J Ver.3.20 y anteriores, GB-50ADA-A Versiones.3.20 y anteriores, GB-50ADA-J Versiones.3 .20 y anteriores, EB-50GU-A Versiones 7.09 y anteriores, EB-50GU-J Versiones 7.09 y anteriores, AE-200A Versiones 7.93 y anteriores, AE-200E Versiones 7.93 y anteriores, AE-50A Versiones 7.93 y anteriores, AE-50E Versiones 7.93 y anteriores, EW-50A Versiones 7.93 y anteriores, EW-50E Versiones 7.93 y anteriores, TE-200A Versiones 7.93 y anteriores, TE-50A Versiones 7.93 y anteriores, TW-50A Versiones 7.93 y anteriores, CMS-RMD-J Versiones.1 .30 y anteriores) y los Controladores del Air Conditioning System/Expansion (PAC-YG50ECA Versiones .2.20 y anteriores) permiten a un atacante remoto autenticado hacerse pasar por administrador para divulgar informaci\u00f3n de configuraci\u00f3n del sistema de aire acondicionado e informaci\u00f3n de manipulaci\u00f3n (por ejemplo, informaci\u00f3n de funcionamiento y configuraci\u00f3n del sistema de aire acondicionado) al explotar esta vulnerabilidad"}], "id": "CVE-2021-20593", "lastModified": "2026-06-17T03:34:04.980", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 5.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": 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[{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}
CVE record
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EUVD