What is CVE-2021-25771?

CVE-2021-25771 is a medium-severity vulnerability in Jetbrains Youtrack. CVSS score: 4.3/10. Published 2021-02-03.

How severe is CVE-2021-25771?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Jetbrains Youtrack

CVE-2021-25771

In JetBrains YouTrack before 2020.6.1099, project information could be potentially disclosed.

Published 2021-02-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.015 (74.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: +0.000

Affected products

Jetbrains Youtrack

References

blog.jetbrains.com (Product)
blog.jetbrains.com/blog/2021/02/03/jetbrains-security-bulletin-q4-2020/ (Vendor Advisory)

Frequently asked questions

What is CVE-2021-25771?: CVE-2021-25771 is a medium-severity vulnerability in Jetbrains Youtrack. CVSS score: 4.3/10. Published 2021-02-03.
How severe is CVE-2021-25771?: Medium severity. CVSS v3 base score is 4.3 out of 10.