{"id":"CVE-2019-15621","details":"Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to reshare with write permissions when sharing the mount point of a share they received, as a public link.","modified":"2026-04-10T04:15:01.467751Z","published":"2020-02-04T20:15:12.527Z","related":["openSUSE-SU-2020:0220-1","openSUSE-SU-2020:0229-1"],"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html"},{"type":"ADVISORY","url":"https://nextcloud.com/security/advisory/?id=NC-SA-2020-012"},{"type":"REPORT","url":"https://hackerone.com/reports/619484"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nextcloud/server","events":[{"introduced":"0"},{"fixed":"e877a7ec027854315ec58bdbc3ccb77d5e89b76a"},{"introduced":"3bb46a2accb9d3c8557b64f0ec6e088d94f9dd70"},{"fixed":"5ba848a3edfb03382c7eb16002e00a9a73f779ec"},{"introduced":"6781f9fc7652f735a75abd869ab3e79878fceec9"},{"fixed":"80cdd4cbea7e3e159e531fe50f39d8207f2ce19e"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"14.0.13"},{"introduced":"15.0.0"},{"fixed":"15.0.9"},{"introduced":"16.0.0"},{"fixed":"16.0.2"}]}}],"versions":["14.0.2RC1","v1.0.0beta1","v11.0.0","v11.0RC2","v12.0.0beta1","v12.0.0beta2","v12.0.0beta3","v12.0.0beta4","v13.0.0RC1","v13.0.0beta1","v13.0.0beta2","v13.0.0beta3","v13.0.0beta4","v14.0.0","v14.0.0RC1","v14.0.0RC2","v14.0.0beta1","v14.0.0beta2","v14.0.0beta3","v14.0.0beta4","v14.0.1","v14.0.10","v14.0.11","v14.0.11RC1","v14.0.12","v14.0.13RC1","v14.0.1RC1","v14.0.2","v14.0.2RC1","v14.0.2RC2","v14.0.3","v14.0.4","v14.0.4RC1","v14.0.4RC2","v14.0.5","v14.0.5RC1","v14.0.5RC2","v14.0.6","v14.0.7","v14.0.7RC1","v14.0.8","v14.0.8RC1","v14.0.8RC2","v14.0.9","v14.0.9RC1","v15.0.0","v15.0.1","v15.0.1RC1","v15.0.1RC2","v15.0.2","v15.0.3","v15.0.3RC1","v15.0.4","v15.0.5","v15.0.5RC1","v15.0.5RC2","v15.0.6","v15.0.6RC1","v15.0.7","v15.0.8","v15.0.8RC1","v15.0.9RC1","v16.0.0","v16.0.1","v16.0.1RC1","v16.0.2RC1","v3.0","v4.0.0","v4.0.0RC","v4.0.0RC2","v4.0.0beta","v4.0.1","v4.0.4","v4.0.5","v4.0.6","v4.5.0","v4.5.0RC1","v4.5.0RC2","v4.5.0RC3","v4.5.0beta3","v4.5.0beta4","v5.0.0","v5.0.0RC1","v5.0.0RC2","v5.0.0RC3","v5.0.0alpha1","v5.0.0beta1","v5.0.0beta2","v6.0.0RC1","v6.0.0RC2","v6.0.0alpha2","v6.0.0beta2","v6.0.0beta3","v6.0.0beta4","v6.0.0beta5","v7.0.0alpha2","v7.0.0beta1","v8.0.0","v8.0.0RC1","v8.0.0RC2","v8.0.0alpha1","v8.0.0alpha2","v8.0.0beta1","v8.0.0beta2","v8.1.0alpha1","v8.1.0alpha2","v8.1.0beta1","v8.1.0beta2","v8.1RC2","v8.2RC1","v8.2beta1","v9.0.0beta2","v9.0beta1","v9.1.0beta1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-15621.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"}]}