{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-24T18:24:34.518","vulnerabilities":[{"cve":{"id":"CVE-2021-3774","sourceIdentifier":"cve-coordination@incibe.es","published":"2021-11-05T21:15:08.480","lastModified":"2026-06-17T04:05:44.280","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Meross Smart Wi-Fi 2 Way Wall Switch (MSS550X), on its 3.1.3 version and before, creates an open Wi-Fi Access Point without the required security measures in its initial setup. This could allow a remote attacker to obtain the Wi-Fi SSID as well as the password configured by the user from Meross app via Http/JSON plain request."},{"lang":"es","value":"Meross Smart Wi-Fi 2 Way Wall Switch (MSS550X), en su versión 3.1.3 y anteriores, crea un punto de acceso Wi-Fi abierto sin las medidas de seguridad necesarias en su configuración inicial. Esto podría permitir a un atacante remoto obtener el SSID Wi-Fi así como la contraseña configurada por el usuario desde la app de Meross por medio de una petición Http/JSON simple"}],"affected":[{"source":"cve-coordination@incibe.es","affectedData":[{"vendor":"Meross","product":"Meross Smart Wi-Fi 2 Way Wall Switch","defaultStatus":"unaffected","versions":[{"version":"0","lessThanOrEqual":"3.1.3","versionType":"custom","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"cve-coordination@incibe.es","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","baseScore":7.4,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":4.0},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:N/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-04-23T13:10:15.464816Z","id":"CVE-2021-3774","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"cve-coordination@incibe.es","type":"Secondary","description":[{"lang":"en","value":"CWE-319"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-319"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:meross:mss550x_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"3.1.3","matchCriteriaId":"E1C85657-9D38-488C-9CAA-BCCE5679E5C5"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:meross:mss550x:-:*:*:*:*:*:*:*","matchCriteriaId":"6B6C29E4-18D8-4F1B-805E-D38CF4F6141A"}]}]}],"references":[{"url":"https://www.incibe.es/en/incibe-cert/notices/aviso/meross-mss550x-missing-encryption-sensitive-data","source":"cve-coordination@incibe.es"},{"url":"https://www.incibe.es/en/incibe-cert/notices/aviso/meross-mss550x-missing-encryption-sensitive-data","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}