What is CVE-2021-27225?

CVE-2021-27225 is a medium-severity vulnerability in Dataiku Data Science Studio, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2021-03-01.

How severe is CVE-2021-27225?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Dataiku Data Science Studio

CVE-2021-27225

In Dataiku DSS before 8.0.6, insufficient access control in the Jupyter notebooks integration allows users (who have coding permissions) to read and overwrite notebooks in projects that they are not authorized to access.

Vulnerability class: Broken Access Control

Published 2021-03-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.9th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Dataiku Data Science Studio

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

doc.dataiku.com/dss/latest/ (Vendor Advisory)
doc.dataiku.com/dss/8.0/security/advisories/cve-2021-27225.html (Vendor Advisory)

Frequently asked questions

What is CVE-2021-27225?: CVE-2021-27225 is a medium-severity vulnerability in Dataiku Data Science Studio, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2021-03-01.
How severe is CVE-2021-27225?: Medium severity. CVSS v3 base score is 5.4 out of 10.