{"id":"CVE-2021-3745","aliases":["EUVD-2021-27021","GHSA-8mvp-5wcj-59wf"],"status":"published","title":"Unrestricted Upload of File with Dangerous Type in flatcore/flatcore-cms","description":"flatcore-cms is vulnerable to Unrestricted Upload of File with Dangerous Type","severity":{"version":"3.0","score":8,"vector":"CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0111,"percentile":0.662,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2021-10-28T17:05:12Z","modified":"2026-10-20T10:54:49Z","products":[{"vendor":"flatcore","product":"flatcore-cms"},{"vendor":"flatcore","product":"flatcore/flatcore-cms"}],"references":[{"url":"https://huntr.dev/bounties/7879ab3d-8018-402a-aa0b-131bdbd1966c","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/flatcore/flatcore-cms/commit/5cc3937b6bc38293ec921a5cf00018b48b668dc6","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3745"},{"url":"https://github.com/advisories/GHSA-8mvp-5wcj-59wf"}],"sources":{"cve":[{"id":"CVE-2021-3745","title":"Unrestricted Upload of File with Dangerous Type in flatcore/flatcore-cms","description":"flatcore-cms is vulnerable to Unrestricted Upload of File with Dangerous Type","status":"published","published":"2021-10-28T17:05:12Z","modified":"2024-08-03T17:01:08.295Z","cvss":[{"version":"3.0","score":8,"vector":"CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-27021","description":"flatcore-cms is vulnerable to Unrestricted Upload of File with Dangerous Type","status":"published","published":"2021-10-28T17:05:12Z","modified":"2024-08-03T17:01:08Z","cvss":[{"version":"3.0","score":8,"vector":"CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:25:11.953192Z"}],"ghsa":[{"id":"GHSA-8mvp-5wcj-59wf","title":"flatcore-cms is vulnerable to Unrestricted Upload of File with Dangerous Type","description":"flatcore-cms is vulnerable to Unrestricted Upload of File with Dangerous Type","status":"published","published":"2022-05-24T19:19:03Z","modified":"2023-01-30T05:03:29Z","cwes":["CWE-434"],"updated_at":"2026-11-02T14:46:50.963031Z"}],"nvd":[{"id":"CVE-2021-3745","description":"flatcore-cms is vulnerable to Unrestricted Upload of File with Dangerous Type","status":"published","published":"2021-10-28T17:15:07.467Z","modified":"2026-06-17T04:05:41.093Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"3.0","score":8,"vector":"CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":6,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:07:00.549994Z"}],"osv":[{"id":"CVE-2021-3745","description":"flatcore-cms is vulnerable to Unrestricted Upload of File with Dangerous Type","status":"published","published":"2021-10-28T17:15:07.467Z","modified":"2026-10-20T10:54:49.119128397Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:20.434873Z"}]}}