CVE-2021-31911: JetBrains TeamCity

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

In JetBrains TeamCity before 2020.2.3, reflected XSS was possible on several pages.

Affected products

• JetBrains TeamCity: before 2020.2.3 (fixed in 2020.2.3)

Published 2021-05-11. Last modified 2026-06-17.