{"id":"CVE-2016-9462","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-9462","generatedAt":"2026-10-28T21:50:01.889Z","title":"Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file.","description":"Nextcloud Server before 9.0.52 & 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.","published":"2017-03-28T02:59:01.000Z","lastModified":"2026-06-17T00:56:07.000Z","status":"Modified","sourceIdentifier":"support@hackerone.com","cvss":{"version":"3.0","score":4.3,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"},"cwe":["CWE-275","CWE-284"],"affected":["nextcloud/nextcloud server","owncloud/owncloud"],"epss":{"score":0.01874,"percentile":0.79278,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.87%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/97285","tags":["Third Party Advisory","VDB Entry"],"source":"support@hackerone.com"},{"url":"https://github.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5e","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://github.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4c","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://github.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://github.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6e","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://github.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://hackerone.com/reports/146067","tags":["Exploit","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://nextcloud.com/security/advisory/?id=nc-sa-2016-005","tags":["Patch","Vendor Advisory"],"source":"support@hackerone.com"},{"url":"https://owncloud.org/security/advisory/?id=oc-sa-2016-015","tags":["Patch","Vendor Advisory"],"source":"support@hackerone.com"},{"url":"http://www.securityfocus.com/bid/97285","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5e","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4c","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6e","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://hackerone.com/reports/146067","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://nextcloud.com/security/advisory/?id=nc-sa-2016-005","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://owncloud.org/security/advisory/?id=oc-sa-2016-015","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-9462","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}