{"id":"CVE-2016-9461","details":"Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying edit check permissions on WebDAV copy actions. The WebDAV endpoint was not properly checking the permission on a WebDAV COPY action. This allowed an authenticated attacker with access to a read-only share to put new files in there. It was not possible to modify existing files.","modified":"2026-07-08T11:48:55.186465Z","published":"2017-03-28T02:59:00.840Z","references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/97276"},{"type":"FIX","url":"https://github.com/nextcloud/server/commit/3491400261c1454a9a30d3ec96969573330120cc"},{"type":"FIX","url":"https://github.com/owncloud/core/commit/0622e635d97cb17c5e1363e370bb8268cc3d2547"},{"type":"FIX","url":"https://github.com/owncloud/core/commit/121a3304a0c37ccda0e1b63ddc528cba9121a36e"},{"type":"FIX","url":"https://github.com/owncloud/core/commit/acbbadb71ceee7f01da347f7dcd519beda78cc47"},{"type":"FIX","url":"https://github.com/owncloud/core/commit/c0a4b7b3f38ad2eaf506484b3b92ec678cb021c9"},{"type":"FIX","url":"https://nextcloud.com/security/advisory/?id=nc-sa-2016-004"},{"type":"FIX","url":"https://owncloud.org/security/advisory/?id=oc-sa-2016-014"},{"type":"EVIDENCE","url":"https://hackerone.com/reports/145950"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nextcloud/server","events":[{"introduced":"0"},{"fixed":"6d9809ef452d73b53d3d70493d9a92ee64bd528f"},{"fixed":"3491400261c1454a9a30d3ec96969573330120cc"}],"database_specific":{"cpe":"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"9.0.52"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v9.0.52RC1","v9.0.51","v9.0.50","v9.0.2","v9.0.2RC2","v9.0.2RC1","v9.0.1RC2","v9.0.1","v9.0.1RC1","v9.0.1beta","v9.0.0","v9.0.0RC3","v9.0.0RC2","v9.0.0RC1","v9.0.0beta2","v9.0beta1","v8.2RC1","v8.2beta1","v8.1RC2","v8.1.0beta2","v8.1.0beta1","v8.1.0alpha2","v8.1.0alpha1","v8.0.0","v8.0.0RC2","v8.0.0RC1","v8.0.0beta2","v8.0.0beta1","v8.0.0alpha2","v8.0.0alpha1","v7.0.0beta1","v7.0.0alpha2","v6.0.0RC2","v6.0.0RC1","v6.0.0beta5","v6.0.0beta4","v6.0.0beta3","v6.0.0beta2","v6.0.0alpha2","v5.0.0","v5.0.0RC3","v5.0.0RC2","v5.0.0RC1","v5.0.0beta2","v5.0.0beta1","v5.0.0alpha1","v4.5.0","v4.5.0RC3","v4.5.0RC2","v4.5.0RC1","v4.5.0beta4","v4.5.0beta3","v4.0.6","v4.0.5","v4.0.4","v4.0.1","v4.0.0","v4.0.0RC2","v4.0.0RC","v4.0.0beta","v3.0","v1.0.0beta1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-9461.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/owncloud/core","events":[{"introduced":"0"},{"fixed":"6f4931a085bcd26346bdfdf7c5a6f832df78d473"},{"fixed":"0622e635d97cb17c5e1363e370bb8268cc3d2547"},{"fixed":"121a3304a0c37ccda0e1b63ddc528cba9121a36e"},{"fixed":"acbbadb71ceee7f01da347f7dcd519beda78cc47"},{"fixed":"c0a4b7b3f38ad2eaf506484b3b92ec678cb021c9"}],"database_specific":{"cpe":"cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"9.0.4"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v9.0.4RC1","v9.0.3","v9.0.3RC1","v9.0.2","v9.0.2RC2","v9.0.2RC1","v9.0.1RC2","v9.0.1","v9.0.1RC1","v9.0.1beta","v9.0.0","v9.0.0RC3","v9.0.0RC2","v9.0.0RC1","v9.0.0beta2","v9.0beta1","v8.2RC1","v8.2beta1","v8.1RC2","v8.1.0beta2","v8.1.0beta1","v8.1.0alpha2","v8.1.0alpha1","v8.0.0","v8.0.0RC2","v8.0.0RC1","v8.0.0beta2","v8.0.0beta1","v8.0.0alpha2","v8.0.0alpha1","v7.0.0beta1","v7.0.0alpha2","v6.0.0RC2","v6.0.0RC1","v6.0.0beta5","v6.0.0beta4","v6.0.0beta3","v6.0.0beta2","v6.0.0alpha2","v5.0.0","v5.0.0RC3","v5.0.0RC2","v5.0.0RC1","v5.0.0beta2","v5.0.0beta1","v5.0.0alpha1","v4.5.0","v4.5.0RC3","v4.5.0RC2","v4.5.0RC1","v4.5.0beta4","v4.5.0beta3","v4.0.6","v4.0.5","v4.0.4","v4.0.1","v4.0.0","v4.0.0RC2","v4.0.0RC","v4.0.0beta","v3.0","v1.0.0beta1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-9461.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"}]}