{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2021-22877", "ASSIGNER": "support@hackerone.com", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "n/a", "product": { "product_data": [ { "product_name": "Nextcloud Server", "version": { "version_data": [ { "version_value": "Fixed in 20.0.6" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Improper Access Control - Generic (CWE-284)" } ] } ] }, "references": { "reference_data": [ { "refsource": "MISC", "name": "https://hackerone.com/reports/1061591", "url": "https://hackerone.com/reports/1061591" }, { "refsource": "MISC", "name": "https://nextcloud.com/security/advisory/?id=NC-SA-2021-004", "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2021-004" }, { "refsource": "MISC", "name": "https://github.com/nextcloud/server/issues/24600", "url": "https://github.com/nextcloud/server/issues/24600" }, { "refsource": "MISC", "name": "https://github.com/nextcloud/server/pull/25224", "url": "https://github.com/nextcloud/server/pull/25224" }, { "refsource": "FEDORA", "name": "FEDORA-2021-eac0e52f88", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S/" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "A missing user check in Nextcloud prior to 20.0.6 inadvertently populates a user's own credentials for other users external storage configuration when not already configured yet." } ] } }