{"cve":"CVE-2021-28173","nvd":{"published":"2021-04-06T12:15:17.233","modified":"2026-06-17T03:45:57.310","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-434"],"references":["https://www.chtsecurity.com/news/7f0874b5-516b-4637-842d-b6fb6c335c66","https://www.twcert.org.tw/tw/cp-132-4620-58f9c-1.html","https://www.chtsecurity.com/news/7f0874b5-516b-4637-842d-b6fb6c335c66","https://www.twcert.org.tw/tw/cp-132-4620-58f9c-1.html"],"products":["deltaflow_project:deltaflow"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-28173","score":0.01641,"percentile":0.76384,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}