What is CVE-2021-28125?

CVE-2021-28125 is a medium-severity vulnerability in Apache Superset, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-04-27.

How severe is CVE-2021-28125?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Apache Superset

CVE-2021-28125

Apache Superset up to and including 1.0.1 allowed for the creation of an external URL that could be malicious. By not checking user input for open redirects the URL shortener functionality would allow for a malicious user to create a short URL for a dashboard that could convince the user to click the link.

Vulnerability class: Open Redirect

Published 2021-04-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.640 (99.2th percentile), scored 2026-10-28.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.640 · newest: 0.640 · change: 0.000

Affected products

Apache Superset
Apache Software Foundation Superset — versions Apache Superset

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

lists.apache.org/thread.html/r89b5d0dd35c1adc9624b48d6247729c73b2641b3275422666… (Mailing List, Third Party Advisory)
www.openwall.com/lists/oss-security/2021/04/27/2 (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-28125?: CVE-2021-28125 is a medium-severity vulnerability in Apache Superset, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-04-27.
How severe is CVE-2021-28125?: Medium severity. CVSS v3 base score is 6.1 out of 10.