In the TeamCity IntelliJ plugin before 2020.2.2.85899, DoS was possible.
https://blog.jetbrains.com/blog/2021/05/07/jetbrains-security-bulletin-q1-2021/
https://blog.jetbrains.com
Source: Mitre, NVD
Published: 2021-05-11
Updated: 2021-05-19
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High