What’s Vulnerable › Vulnerabilities

CVE-2021-25778

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% 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 TeamCity before 2020.2.1, permissions during user deletion were checked improperly.

Affected products

• JetBrains TeamCity: before 2020.2.1 — fixed in 2020.2.1

How to fix

Upgrade to a fixed version: JetBrains TeamCity 2020.2.1. 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/

Get alerted when CVE-2021-25778 or the next vulnerability affects your stack