{"api_version":"1","generated_at":"2026-07-23T22:02:22+00:00","cve":"CVE-2021-39224","urls":{"html":"https://cve.report/CVE-2021-39224","api":"https://cve.report/api/cve/CVE-2021-39224.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-39224","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-39224"},"summary":{"title":"CVE-2021-39224","description":"Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud OfficeOnline application prior to version 1.1.1 returned verbatim exception messages to the user. This could result in a full path disclosure on shared files. (e.g. an attacker could see that the file `shared.txt` is located within `/files/$username/Myfolder/Mysubfolder/shared.txt`). It is recommended that the OfficeOnline application is upgraded to 1.1.1. As a workaround, one may disable the OfficeOnline application in the app settings.","state":"PUBLIC","assigner":"security-advisories@github.com","published_at":"2021-10-25 22:15:00","updated_at":"2021-10-29 14:48:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://github.com/nextcloud/officeonline/pull/204","name":"https://github.com/nextcloud/officeonline/pull/204","refsource":"MISC","tags":[],"title":"Unify error messages accross controllers by juliushaertl · Pull Request #204 · nextcloud/officeonline · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-56wm-r6jm-3v9h","name":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-56wm-r6jm-3v9h","refsource":"CONFIRM","tags":[],"title":"File path disclosure of shared files in OfficeOnline application · Advisory · nextcloud/security-advisories · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-39224","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39224","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"39224","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nextcloud","cpe5":"officeonline","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2021-39224","STATE":"PUBLIC","TITLE":"File path disclosure of shared files in OfficeOnline application"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"security-advisories","version":{"version_data":[{"version_value":"< 1.1.1"}]}}]},"vendor_name":"nextcloud"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud OfficeOnline application prior to version 1.1.1 returned verbatim exception messages to the user. This could result in a full path disclosure on shared files. (e.g. an attacker could see that the file `shared.txt` is located within `/files/$username/Myfolder/Mysubfolder/shared.txt`). It is recommended that the OfficeOnline application is upgraded to 1.1.1. As a workaround, one may disable the OfficeOnline application in the app settings."}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.5,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor"}]}]},"references":{"reference_data":[{"name":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-56wm-r6jm-3v9h","refsource":"CONFIRM","url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-56wm-r6jm-3v9h"},{"name":"https://github.com/nextcloud/officeonline/pull/204","refsource":"MISC","url":"https://github.com/nextcloud/officeonline/pull/204"}]},"source":{"advisory":"GHSA-56wm-r6jm-3v9h","discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2021-10-25 22:15:00","lastModifiedDate":"2021-10-29 14:48:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"},"exploitabilityScore":3.9,"impactScore":1.4},"baseMetricV2":{"cvssV2":{"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},"severity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:nextcloud:officeonline:*:*:*:*:*:*:*:*","versionEndExcluding":"1.1.1","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"39224","Ordinal":"214907","Title":"CVE-2021-39224","CVE":"CVE-2021-39224","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"39224","Ordinal":"1","NoteData":"Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud OfficeOnline application prior to version 1.1.1 returned verbatim exception messages to the user. This could result in a full path disclosure on shared files. (e.g. an attacker could see that the file `shared.txt` is located within `/files/$username/Myfolder/Mysubfolder/shared.txt`). It is recommended that the OfficeOnline application is upgraded to 1.1.1. As a workaround, one may disable the OfficeOnline application in the app settings.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"39224","Ordinal":"2","NoteData":"2021-10-25","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"39224","Ordinal":"3","NoteData":"2021-10-25","Type":"Other","Title":"Modified"}]}}}