{"id":"CVE-2018-3762","aliases":["EUVD-2018-15568","GHSA-6p7m-f494-cjvp","openSUSE-SU-2024:11087-1"],"status":"published","title":"Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for...","description":"Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00888,"percentile":0.5956,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-281","CWE-284"],"published":"2018-07-05T16:00:00Z","modified":"2026-10-24T10:30:40Z","products":[{"vendor":"hackerone","product":"nextcloud server"},{"vendor":"nextcloud","product":"nextcloud server"},{"vendor":"nextcloud","product":"nextcloud_server"}],"references":[{"url":"https://nextcloud.com/security/advisory/?id=nc-sa-2018-002","tags":["x_refsource_CONFIRM","x_transferred","Broken Link","Vendor Advisory","advisory"]},{"url":"https://hackerone.com/reports/358339","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-3762"},{"url":"https://github.com/advisories/GHSA-6p7m-f494-cjvp"},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2018-3762","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8154","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8155","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8183","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2018-3762","description":"Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to.","status":"published","published":"2018-07-05T16:00:00Z","modified":"2024-08-05T04:50:30.641Z","cwes":["CWE-284"],"updated_at":"2026-11-02T14:35:05.262903Z"}],"euvd":[{"id":"EUVD-2018-15568","description":"Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to.","status":"published","published":"2018-07-05T16:00:00Z","modified":"2024-08-05T04:50:30Z","updated_at":"2026-11-03T02:40:15.208866Z"}],"ghsa":[{"id":"GHSA-6p7m-f494-cjvp","title":"Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for...","description":"Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to.","status":"published","published":"2022-05-13T01:32:20Z","modified":"2023-02-01T05:08:12Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-281"],"updated_at":"2026-11-02T14:50:42.317052Z"}],"nvd":[{"id":"CVE-2018-3762","description":"Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to.","status":"published","published":"2018-07-05T16:29:00.47Z","modified":"2026-06-17T01:57:47.32Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-284","CWE-281"],"updated_at":"2026-11-02T14:04:31.362791Z"}],"osv":[{"id":"CVE-2018-3762","description":"Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to.","status":"published","published":"2018-07-05T16:29:00.47Z","modified":"2026-10-24T10:30:40.284896514Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:09.442568Z"},{"id":"openSUSE-SU-2024:11087-1","title":"nextcloud-22.1.1-1.2 on GA media","description":"These are all security issues fixed in the nextcloud-22.1.1-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:19:15.405997Z","updated_at":"2026-11-02T16:58:34.894275Z"}]}}