{"id":"CVE-2021-28173","aliases":["EUVD-2021-14863","GHSA-qcw4-c49j-vc7j"],"status":"published","title":"Vangene deltaFlow E-platform - Arbitrary File Upload","description":"The file upload function of Vangene deltaFlow E-platform does not perform access controlled properly. Remote attackers can upload and execute arbitrary files without login.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01641,"percentile":0.76585,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2021-04-06T11:20:28Z","modified":"2026-06-17T03:45:57Z","products":[{"vendor":"deltaflow_project","product":"deltaflow"},{"vendor":"vangene","product":"deltaflow e-platform"}],"references":[{"url":"https://www.chtsecurity.com/news/7f0874b5-516b-4637-842d-b6fb6c335c66","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.twcert.org.tw/tw/cp-132-4620-58f9c-1.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28173"},{"url":"https://github.com/advisories/GHSA-qcw4-c49j-vc7j"}],"sources":{"cve":[{"id":"CVE-2021-28173","title":"Vangene deltaFlow E-platform - Arbitrary File Upload","description":"The file upload function of Vangene deltaFlow E-platform does not perform access controlled properly. Remote attackers can upload and execute arbitrary files without login.","status":"published","published":"2021-04-06T11:20:28.608Z","modified":"2024-09-16T22:55:37.53Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-14863","description":"The file upload function of Vangene deltaFlow E-platform does not perform access controlled properly. Remote attackers can upload and execute arbitrary files without login.","status":"published","published":"2021-04-06T11:20:28Z","modified":"2024-09-16T22:55:37Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:54:58.800859Z"}],"ghsa":[{"id":"GHSA-qcw4-c49j-vc7j","title":"The file upload function of Vangene deltaFlow E-platform does not perform access controlled...","description":"The file upload function of Vangene deltaFlow E-platform does not perform access controlled properly. Remote attackers can upload and execute arbitrary files without login.","status":"published","published":"2022-05-24T17:46:38Z","modified":"2024-04-04T03:05:54Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:56:13.784244Z"}],"nvd":[{"id":"CVE-2021-28173","description":"The file upload function of Vangene deltaFlow E-platform does not perform access controlled properly. Remote attackers can upload and execute arbitrary files without login.","status":"published","published":"2021-04-06T12:15:17.233Z","modified":"2026-06-17T03:45:57.31Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:06:51.610648Z"}]}}