CVE-2021-25765

Name: CVE-2021-25765
Creator: NVD / NIST
Published: 2021-02-03T16:15:14.883+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.71%

Last modified Jun 17, 2026

CVE-2021-25765 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. In JetBrains YouTrack before 2020.4.4701, CSRF via attachment upload was possible.. EPSS estimates a 0.71% chance of exploitation in the next 30 days.

Description

In JetBrains YouTrack before 2020.4.4701, CSRF via attachment upload was possible.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.71%

48.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Jetbrains	Youtrack	< 2020.4.4701

References

https://blog.jetbrains.comProduct
https://blog.jetbrains.com/blog/2021/02/03/jetbrains-security-bulletin-q4-2020/Vendor Advisory
https://blog.jetbrains.comProduct
https://blog.jetbrains.com/blog/2021/02/03/jetbrains-security-bulletin-q4-2020/Vendor Advisory

Timeline

Published: Feb 3, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-25765?

In JetBrains YouTrack before 2020.4.4701, CSRF via attachment upload was possible.

How severe is CVE-2021-25765?

CVE-2021-25765 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.

How do I fix CVE-2021-25765?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-25765?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST