CVE-2021-37544

CRITICAL 9.8CVE-2021-37544 · Published 06/08/2021 · updated 17/06/2026

In short

CVE-2021-37544 is a CRITICAL (CVSS 9.8) vulnerability affecting teamcity (jetbrains).
Chance of exploitation in the next 30 days (EPSS): 1.2%, higher than 68.3% of all vulnerabilities.
Fix: update to 2020.2.4 or later.

Package	Affected versions	Patched versions
teamcity jetbrains	`< 2020.2.4`	`2020.2.4`

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

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