CVE-2021-28173: Deltaflow Project Deltaflow

Critical severity, CVSS 9.8. EPSS: 1.6% chance of exploitation in the next 30 days.

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.

Affected products

• Deltaflow Project Deltaflow: from 4.0, before 7.7 (fixed in 7.7)

Published 2021-04-06. Last modified 2026-06-17.