CVE-2021-28173: Vangene deltaFlow E-platform - Arbitrary File Upload

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-04-06 · updated 2026-06-17
Weakness: CWE-434

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.

Affected products

Vangene deltaFlow E-platform: from 4.0 before 7.7 — fixed in 7.7

How to fix

Upgrade to a fixed version: Vangene deltaFlow E-platform 7.7. Check the vendor advisory for mitigations.

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

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