{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-29756", "assignerOrgId": "b87402ff-ae37-4194-9dae-31abdbd6f217", "state": "PUBLISHED", "assignerShortName": "DIVD", "dateReserved": "2025-03-11T13:40:29.272Z", "datePublished": "2025-06-11T08:01:16.794Z", "dateUpdated": "2025-06-23T12:45:06.342Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "iSolarCloud", "vendor": "SunGrow", "versions": [{"lessThan": "7 June 2025", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Harm van den Brink (DIVD)"}, {"lang": "en", "type": "analyst", "value": "Frank Breedijk (DIVD)"}, {"lang": "en", "type": "finder", "value": "ENCS (https://encs.eu/)"}], "datePublic": "2025-06-08T22:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "SunGrow's back end users system <a target=\"_blank\" rel=\"nofollow\" 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["third-party-advisory"], "url": "https://csirt.divd.nl/DIVD-2025-00009"}, {"tags": ["product"], "url": "https://isolarcloud.com"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "iSolarCloud has been patched by SunGrow and the vulnerability is no longer exploitable."}], "value": "iSolarCloud has been patched by SunGrow and the vulnerability is no longer exploitable."}], "source": {"advisory": "DIVD-2025-00009", "discovery": "EXTERNAL"}, "tags": ["exclusively-hosted-service"], "title": "MQTT implementation in Sungrow iSolarCloud allowed users to subscribe to all data of all connected inverters", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-06-11T13:14:49.544632Z", "id": "CVE-2025-29756", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-06-11T13:14:59.294Z"}}]}}

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subscribe to.&nbsp;<br>While the data that is transmitted through the MQTT server is encrypted and the credentials for the MQTT server are obtained though an API call, the credentials could be used to subscribe to any topic and the encryption key can be used to decrypt all messages received.<br>An attack with an account on iSolarCloud.com could extract&nbsp;MQTT credentials and the decryption key from the browser and then use an external program to subscribe to the topic '#' and thus recieve all messages from all connected devices.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-862", "description": "CWE-862 Missing Authorization"}]}], "providerMetadata": {"orgId": "b87402ff-ae37-4194-9dae-31abdbd6f217", "shortName": "DIVD", "dateUpdated": "2025-06-18T12:23:59.724Z"}}}, "cveMetadata": {"cveId": "CVE-2025-29756", "state": "PUBLISHED", "dateUpdated": "2025-06-18T12:23:59.724Z", "dateReserved": "2025-03-11T13:40:29.272Z", 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{"cveTags": [{"sourceIdentifier": "csirt@divd.nl", "tags": ["exclusively-hosted-service"]}], "descriptions": [{"lang": "en", "value": "SunGrow's back end users system iSolarCloud https://isolarcloud.com \u00a0uses an MQTT service to transport data from the user's connected devices to the user's web browser.\u00a0\nThe MQTT server however did not have sufficient restrictions in place to limit the topics that a user could subscribe to.\u00a0\nWhile the data that is transmitted through the MQTT server is encrypted and the credentials for the MQTT server are obtained though an API call, the credentials could be used to subscribe to any topic and the encryption key can be used to decrypt all messages received.\nAn attack with an account on iSolarCloud.com could extract\u00a0MQTT credentials and the decryption key from the browser and then use an external program to subscribe to the topic '#' and thus recieve all messages from all connected devices."}, {"lang": "es", "value": "El sistema de usuarios back-end de SunGrow, iSolarCloud (https://isolarcloud.com), utiliza un servicio MQTT para transportar datos desde los dispositivos conectados del usuario a su navegador web. Sin embargo, el servidor MQTT no ten\u00eda suficientes restricciones para limitar los temas a los que un usuario pod\u00eda suscribirse. Si bien los datos que se transmiten a trav\u00e9s del servidor MQTT est\u00e1n cifrados y las credenciales se obtienen mediante una llamada a la API, estas credenciales pueden usarse para suscribirse a cualquier tema y la clave de cifrado puede usarse para descifrar todos los mensajes recibidos. Un ataque con una cuenta en iSolarCloud.com podr\u00eda extraer las credenciales MQTT y la clave de descifrado del navegador y, a continuaci\u00f3n, usar un programa externo para suscribirse al tema '#' y, por lo tanto, recibir todos los mensajes de todos los dispositivos conectados."}], "id": "CVE-2025-29756", "lastModified": "2025-06-12T16:06:20.180", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "YES", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "csirt@divd.nl", "type": "Secondary"}]}, "published": "2025-06-11T08:15:21.730", "references": [{"source": "csirt@divd.nl", "url": "https://csirt.divd.nl/CVE-2025-29756"}, {"source": "csirt@divd.nl", "url": "https://csirt.divd.nl/DIVD-2025-00009"}, {"source": "csirt@divd.nl", "url": "https://isolarcloud.com"}], "sourceIdentifier": "csirt@divd.nl", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "csirt@divd.nl", "type": "Secondary"}]}

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