CVE-2021-3774 - Vulnerability Details - OpenCVE

ReportizFlow

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

AV:N/AC:M/Au:N/C:P/I:N/A:N

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Meross	Mss550x Mss550x Firmware

Configuration 1 [-]

AND

cpe:2.3:o:meross:mss550x_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:meross:mss550x:-:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://www.incibe.es/en/incibe-cert/notices/aviso/meross-mss550x-missing-encryption-sensitive-data

History

No history.

MITRE

Status: PUBLISHED

Assigner: INCIBE

Published: 2021-11-05T19:41:27

Updated: 2024-08-03T17:09:09.214Z

Reserved: 2021-09-06T00:00:00

Link: CVE-2021-3774

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-11-05T21:15:08.480

Modified: 2024-11-21T06:22:23.747

Link: CVE-2021-3774

Redhat

No data.

{"containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Meross Smart Wi-Fi 2 Way Wall Switch", "vendor": "Meross", "versions": [{"lessThanOrEqual": "3.1.3", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Gerard Fuguet Morales"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "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."}], "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."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-319", "description": "CWE-319 Cleartext Transmission of Sensitive Information", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516", "shortName": "INCIBE", "dateUpdated": "2023-11-20T13:37:54.806Z"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.incibe.es/en/incibe-cert/notices/aviso/meross-mss550x-missing-encryption-sensitive-data"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "This vulnerability has been solved by Meross in MSS550X version 3.2.3."}], "value": "This vulnerability has been solved by Meross in MSS550X version 3.2.3."}], "source": {"advisory": "INCIBE-2021-0451", "discovery": "EXTERNAL"}, "title": "Meross MSS550X Missing Encryption of Sensitive Data", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "[email protected]", "ID": "CVE-2021-3774", "STATE": "PUBLIC", "TITLE": "Meross MSS550X Missing Encryption of Sensitive Data"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Meross Smart Wi-Fi 2 Way Wall Switch", "version": {"version_data": [{"version_affected": "<=", "version_name": "3.1.3", "version_value": "3.1.3"}]}}]}, "vendor_name": "Meross"}]}}, "credit": [{"lang": "eng", "value": "Gerard Fuguet Morales"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-311: Missing Encryption of Sensitive Data"}]}]}, "references": {"reference_data": [{"name": "https://www.incibe-cert.es/en/early-warning/security-advisories/meross-mss550x-missing-encryption-sensitive-data", "refsource": "CONFIRM", "url": "https://www.incibe-cert.es/en/early-warning/security-advisories/meross-mss550x-missing-encryption-sensitive-data"}]}, "solution": [{"lang": "en", "value": "This vulnerability has been solved by Meross in MSS550X version 3.2.3"}], "source": {"advisory": "INCIBE-2021-0451", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:09:09.214Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.incibe.es/en/incibe-cert/notices/aviso/meross-mss550x-missing-encryption-sensitive-data"}]}]}, "cveMetadata": {"assignerOrgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516", "assignerShortName": "INCIBE", "cveId": "CVE-2021-3774", "datePublished": "2021-11-05T19:41:27", "dateReserved": "2021-09-06T00:00:00", "dateUpdated": "2024-08-03T17:09:09.214Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:meross:mss550x_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "E1C85657-9D38-488C-9CAA-BCCE5679E5C5", "versionEndIncluding": "3.1.3", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:meross:mss550x:-:*:*:*:*:*:*:*", "matchCriteriaId": "6B6C29E4-18D8-4F1B-805E-D38CF4F6141A", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "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 versi\u00f3n 3.1.3 y anteriores, crea un punto de acceso Wi-Fi abierto sin las medidas de seguridad necesarias en su configuraci\u00f3n inicial. Esto podr\u00eda permitir a un atacante remoto obtener el SSID Wi-Fi as\u00ed como la contrase\u00f1a configurada por el usuario desde la app de Meross por medio de una petici\u00f3n Http/JSON simple"}], "id": "CVE-2021-3774", "lastModified": "2024-11-21T06:22:23.747", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "[email protected]", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.0, "source": "[email protected]", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}]}, "published": "2021-11-05T21:15:08.480", "references": [{"source": "[email protected]", "url": "https://www.incibe.es/en/incibe-cert/notices/aviso/meross-mss550x-missing-encryption-sensitive-data"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.incibe.es/en/incibe-cert/notices/aviso/meross-mss550x-missing-encryption-sensitive-data"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-319"}], "source": "[email protected]", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-319"}], "source": "[email protected]", "type": "Primary"}]}