What’s Vulnerable › Vulnerabilities

CVE-2021-28171: Vangene deltaFlow E-platform - Broken Authentication

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% 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-522

Description

The Vangene deltaFlow E-platform does not take properly protective measures. Attackers can obtain privileged permissions remotely by tampering with users’ data in the Cookie.

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-132-4618-4dcc2-1.html
• https://www.chtsecurity.com/news/7f0874b5-516b-4637-842d-b6fb6c335c66
• https://www.twcert.org.tw/tw/cp-132-4618-4dcc2-1.html

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