CVE-2021-28171

highpriority · track · 39EPSS 0.012 · 69 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.22% (69th) EPSS

CVSS 7.5 · high

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · twcert@cert.org.twexploitability 3.9 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-565USprimaryCWE-522USCWE-522USCWE-565US

affected products (4)

Products and version ranges known to be affected.

Vangene deltaFlow E-platform≤ 4enisa_euvdEU
Vangene Vangene deltaFlow4.0 → 7.7fstec_bduRU
АО «СберТех» Platform V IAM SE≤ 2.3.1fstec_bduRU
deltaflow project deltaflow4.0 → 7.7nvdUScpe:2.3:a:deltaflow_project:deltaflow:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2021-04-06modified 2026-07-31

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+83 more

references (7)

External citations — patches, advisories, analysis.

scry

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