{"containers": {"cna": {"affected": [{"product": "security-advisories", "vendor": "nextcloud", "versions": [{"status": "affected", "version": "< 3.8.4"}, {"status": "affected", "version": ">= 4.0.0, < 4.2.1"}]}], "descriptions": [{"lang": "en", "value": "Nextcloud Richdocuments is an open source collaborative office suite. In affected versions the File Drop features (\"Upload Only\" public link shares in Nextcloud) can be bypassed using the Nextcloud Richdocuments app. An attacker was able to read arbitrary files in such a share. It is recommended that the Nextcloud Richdocuments is upgraded to 3.8.4 or 4.2.1. If upgrading is not possible then it is recommended to disable the Richdocuments application."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-09-07T20:15:11", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pxhh-954f-8w7w"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/nextcloud/richdocuments/pull/1664"}, {"tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/1253403"}], "source": {"advisory": "GHSA-pxhh-954f-8w7w", "discovery": "UNKNOWN"}, "title": "File Drop can be bypassed using Richdocuments app in nextcloud", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-37628", "STATE": "PUBLIC", "TITLE": "File Drop can be bypassed using Richdocuments app in nextcloud"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "security-advisories", "version": {"version_data": [{"version_value": "< 3.8.4"}, {"version_value": ">= 4.0.0, < 4.2.1"}]}}]}, "vendor_name": "nextcloud"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Nextcloud Richdocuments is an open source collaborative office suite. In affected versions the File Drop features (\"Upload Only\" public link shares in Nextcloud) can be bypassed using the Nextcloud Richdocuments app. An attacker was able to read arbitrary files in such a share. It is recommended that the Nextcloud Richdocuments is upgraded to 3.8.4 or 4.2.1. If upgrading is not possible then it is recommended to disable the Richdocuments application."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-639: Authorization Bypass Through User-Controlled Key"}]}]}, "references": {"reference_data": [{"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pxhh-954f-8w7w", "refsource": "CONFIRM", "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pxhh-954f-8w7w"}, {"name": "https://github.com/nextcloud/richdocuments/pull/1664", "refsource": "MISC", "url": "https://github.com/nextcloud/richdocuments/pull/1664"}, {"name": "https://hackerone.com/reports/1253403", "refsource": "MISC", "url": "https://hackerone.com/reports/1253403"}]}, "source": {"advisory": "GHSA-pxhh-954f-8w7w", "discovery": "UNKNOWN"}}}}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-37628", "datePublished": "2021-09-07T20:15:11", "dateReserved": "2021-07-29T00:00:00", "dateUpdated": "2021-09-07T20:15:11", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:richdocuments:*:*:*:*:*:*:*:*", "matchCriteriaId": "0AAE3879-6825-4FE2-8F54-E69270EFF40A", "versionEndExcluding": "3.8.4", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:richdocuments:*:*:*:*:*:*:*:*", "matchCriteriaId": "1F747B8D-89AD-4312-8181-D32507398751", "versionEndExcluding": "4.2.1", "versionStartIncluding": "4.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Nextcloud Richdocuments is an open source collaborative office suite. In affected versions the File Drop features (\"Upload Only\" public link shares in Nextcloud) can be bypassed using the Nextcloud Richdocuments app. An attacker was able to read arbitrary files in such a share. It is recommended that the Nextcloud Richdocuments is upgraded to 3.8.4 or 4.2.1. If upgrading is not possible then it is recommended to disable the Richdocuments application."}, {"lang": "es", "value": "Nextcloud Richdocuments es una suite de oficina colaborativa de c\u00f3digo abierto. En las versiones afectadas, las caracter\u00edsticas de File Drop (enlaces p\u00fablicos compartidos \"Upload Only\" en Nextcloud) pueden ser omitidas usando la aplicaci\u00f3n Nextcloud Richdocuments. Un atacante pod\u00eda leer archivos arbitrarios en dicho recurso compartido. Se recomienda actualizar Nextcloud Richdocuments a la versi\u00f3n 3.8.4 o 4.2.1. Si la actualizaci\u00f3n no es posible, se recomienda deshabilitar la aplicaci\u00f3n Richdocuments"}], "id": "CVE-2021-37628", "lastModified": "2021-09-14T17:17:36.600", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2021-09-07T21:15:08.730", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/nextcloud/richdocuments/pull/1664"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pxhh-954f-8w7w"}, {"source": "security-advisories@github.com", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://hackerone.com/reports/1253403"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-639"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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