{"id":"CVE-2017-0936","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-0936","generatedAt":"2026-10-29T00:34:39.155Z","title":"Nextcloud Server before 11.0.7 and 12.0.5 suffers from an Authorization Bypass Through User-Controlled Key vulnerability.","description":"Nextcloud Server before 11.0.7 and 12.0.5 suffers from an Authorization Bypass Through User-Controlled Key vulnerability. A missing ownership check allowed logged-in users to change the scope of app passwords of other users. Note that the app passwords themselves where neither disclosed nor could the error be misused to identify as another user.","published":"2018-03-28T20:29:00.000Z","lastModified":"2026-06-17T00:58:33.000Z","status":"Modified","sourceIdentifier":"support@hackerone.com","cvss":{"version":"3.0","score":5.7,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N"},"cwe":["CWE-639"],"affected":["nextcloud/nextcloud server"],"epss":{"score":0.00752,"percentile":0.5481,"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 (0.75%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://hackerone.com/reports/297751","tags":["Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://nextcloud.com/security/advisory/?id=nc-sa-2018-001","tags":["Vendor Advisory"],"source":"support@hackerone.com"},{"url":"https://hackerone.com/reports/297751","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://nextcloud.com/security/advisory/?id=nc-sa-2018-001","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-0936","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."}