CVE-2021-28171
Vangene deltaFlow E-platform - Broken Authentication
CRITICAL
9.8
CVSS Score
Published: April 6, 2021 at 11:20 AM UTC
Updated: June 17, 2026 at 03:45 AM UTC
2 products affected across 2 vendorsDeltaflowProject Deltaflow
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Severity
CRITICAL9.8
Exploit prediction
EPSS 1%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
4.0 ≤ v < 7.7
Affected range stops below 7.7, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (2)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.chtsecurity.com/news/7f0874b5-516b-4637-842d-b6fb6c335c66x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.twcert.org.tw/tw/cp-132-4618-4dcc2-1.htmlCVSS
9.8CRITICALtwcert
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-522CWE-565
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