What’s Vulnerable › Vulnerabilities

CVE-2021-25766

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-03 · updated 2026-06-17

Description

In JetBrains YouTrack before 2020.4.4701, improper resource access checks were made.

Affected products

• JetBrains YouTrack: before 2020.4.4701 — fixed in 2020.4.4701

How to fix

Upgrade to a fixed version: JetBrains YouTrack 2020.4.4701. Check the vendor advisory for mitigations.

References

• https://blog.jetbrains.com
• https://blog.jetbrains.com/blog/2021/02/03/jetbrains-security-bulletin-q4-2020/
• https://blog.jetbrains.com
• https://blog.jetbrains.com/blog/2021/02/03/jetbrains-security-bulletin-q4-2020/

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