{ "id": "CVE-2021-20594", "sourceIdentifier": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "published": "2021-08-06T17:15:07.103", "lastModified": "2022-10-14T18:15:12.313", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions \"26\" and prior and Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU all versions allows a remote unauthenticated attacker to acquire legitimate user names registered in the module via brute-force attack on user names." }, { "lang": "es", "value": "La exposici\u00f3n de informaci\u00f3n sensible a un actor no autorizado es una vulnerabilidad en los m\u00f3dulos de CPU de seguridad de la serie MELSEC iQ-R de Mitsubishi Electric R08/16/32/120SFCPU, versiones de firmware \"26\" y anteriores, y en los m\u00f3dulos de CPU de proceso SIL2 de la serie MELSEC iQ-R de Mitsubishi Electric R08/16/32/120PSFCPU, todas las versiones, que permite a un atacante remoto no autenticado adquirir nombres de usuario leg\u00edtimos registrados en el m\u00f3dulo mediante un ataque de fuerza bruta a los nombres de usuario" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-200" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:mitsubishielectric:r08sfcpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "66D3AC7B-50E0-47D5-B0D1-07329D724EFE" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:mitsubishielectric:r08sfcpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "B185323A-C9E3-48A0-AD28-DA7AC7846E18" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", 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