{"id":"CVE-2016-9462","aliases":["EUVD-2016-10268","GHSA-xfx5-6q2x-cp8j"],"status":"published","title":"Nextcloud Server before 9.0.52 \u0026 ownCloud Server before 9.0.4 are not properly verifying restore...","description":"Nextcloud Server before 9.0.52 \u0026 ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file. The restore capability of Nextcloud/ownCloud was not verifying whether a user has only read-only access to a share. Thus a user with read-only access was able to restore old versions.","severity":{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01874,"percentile":0.79535,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-275","CWE-284"],"published":"2017-03-28T02:46:00Z","modified":"2026-10-24T10:47:29Z","products":[{"vendor":"nextcloud","product":"nextcloud_server"},{"vendor":"owncloud","product":"owncloud"}],"references":[{"url":"https://github.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5e","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6e","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://owncloud.org/security/advisory/?id=oc-sa-2016-015","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","fix"]},{"url":"https://github.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"http://www.securityfocus.com/bid/97285","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://hackerone.com/reports/146067","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://github.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4c","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://nextcloud.com/security/advisory/?id=nc-sa-2016-005","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-9462"},{"url":"https://github.com/advisories/GHSA-xfx5-6q2x-cp8j"}],"sources":{"cve":[{"id":"CVE-2016-9462","description":"Nextcloud Server before 9.0.52 \u0026 ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file. The restore capability of Nextcloud/ownCloud was not verifying whether a user has only read-only access to a share. Thus a user with read-only access was able to restore old versions.","status":"published","published":"2017-03-28T02:46:00Z","modified":"2024-08-06T02:50:38.584Z","cwes":["CWE-275"],"updated_at":"2026-11-02T14:33:32.103757Z"}],"euvd":[{"id":"EUVD-2016-10268","description":"Nextcloud Server before 9.0.52 \u0026 ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file. The restore capability of Nextcloud/ownCloud was not verifying whether a user has only read-only access to a share. Thus a user with read-only access was able to restore old versions.","status":"published","published":"2017-03-28T02:46:00Z","modified":"2024-08-06T02:50:38Z","updated_at":"2026-11-03T02:22:27.235814Z"}],"ghsa":[{"id":"GHSA-xfx5-6q2x-cp8j","title":"Nextcloud Server before 9.0.52 \u0026 ownCloud Server before 9.0.4 are not properly verifying restore...","description":"Nextcloud Server before 9.0.52 \u0026 ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file. The restore capability of Nextcloud/ownCloud was not verifying whether a user has only read-only access to a share. Thus a user with read-only access was able to restore old versions.","status":"published","published":"2022-05-13T01:38:32Z","modified":"2023-02-01T05:08:58Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:50:53.78471Z"}],"nvd":[{"id":"CVE-2016-9462","description":"Nextcloud Server before 9.0.52 \u0026 ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file. The restore capability of Nextcloud/ownCloud was not verifying whether a user has only read-only access to a share. Thus a user with read-only access was able to restore old versions.","status":"published","published":"2017-03-28T02:59:00.887Z","modified":"2026-06-17T00:56:06.977Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-275","CWE-284"],"updated_at":"2026-11-02T14:03:37.238712Z"}],"osv":[{"id":"CVE-2016-9462","description":"Nextcloud Server before 9.0.52 \u0026 ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file. The restore capability of Nextcloud/ownCloud was not verifying whether a user has only read-only access to a share. Thus a user with read-only access was able to restore old versions.","status":"published","published":"2017-03-28T02:59:00.887Z","modified":"2026-10-24T10:47:29.685364994Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:03.472693Z"}]}}