CVE-2021-37544: JetBrains TeamCity

Critical severity, CVSS 9.8. EPSS: 1.2% chance of exploitation in the next 30 days.

In JetBrains TeamCity before 2020.2.4, there was an insecure deserialization.

Affected products

• JetBrains TeamCity: before 2020.2.4 (fixed in 2020.2.4)

Published 2021-08-06. Last modified 2026-06-17.