{"id":"CVE-2019-15613","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-15613","generatedAt":"2026-10-28T22:41:44.810Z","title":"A bug in Nextcloud Server 17.0.1 causes the workflow rules to depend their behaviour on the file extension when checking file mimetypes.","description":"A bug in Nextcloud Server 17.0.1 causes the workflow rules to depend their behaviour on the file extension when checking file mimetypes.","published":"2020-02-04T20:15:12.000Z","lastModified":"2026-06-17T02:20:45.000Z","status":"Modified","sourceIdentifier":"support@hackerone.com","cvss":{"version":"3.1","score":8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-20","CWE-345"],"affected":["nextcloud/nextcloud server","opensuse/backports"],"epss":{"score":0.0113,"percentile":0.66244,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html","tags":["Mailing List","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html","tags":["Mailing List","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://hackerone.com/reports/697959","tags":["Patch","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://nextcloud.com/security/advisory/?id=NC-SA-2020-002","tags":["Broken Link","Vendor Advisory"],"source":"support@hackerone.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://hackerone.com/reports/697959","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://nextcloud.com/security/advisory/?id=NC-SA-2020-002","tags":["Broken Link","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-15613","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."}