{"id":"CVE-2020-8223","details":"A logic error in Nextcloud Server 19.0.0 caused a privilege escalation allowing malicious users to reshare with higher permissions than they got assigned themselves.","modified":"2026-08-07T11:31:32.502029112Z","published":"2020-10-05T14:15:13.623Z","database_specific":{"unresolved_ranges":[{"vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"32"},{"last_affected":"32"},{"introduced":"33"},{"last_affected":"33"}],"source":"CPE_STRING"}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7FX3O6SJE2S52I2HAA4DSTUIISP5BNA/"},{"type":"ADVISORY","url":"https://nextcloud.com/security/advisory/?id=NC-SA-2020-029"},{"type":"EVIDENCE","url":"https://hackerone.com/reports/889243"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nextcloud/server","events":[{"introduced":"9c63433cde916cd35b0708b398910cbc1cb52315"},{"last_affected":"9c63433cde916cd35b0708b398910cbc1cb52315"}],"database_specific":{"cpe":"cpe:2.3:a:nextcloud:nextcloud_server:19.0.0:-:*:*:*:*:*:*","extracted_events":[{"introduced":"19.0.0-NA"},{"last_affected":"19.0.0-NA"}],"source":"CPE_STRING"}}],"versions":["19.0.0-NA","v19.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8223.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"}]}