CVE-2021-31907

MEDIUM 5.3CVE-2021-31907 · Published 11/05/2021 · updated 17/06/2026

In short

CVE-2021-31907 is a MEDIUM (CVSS 5.3) vulnerability affecting teamcity (jetbrains).
Chance of exploitation in the next 30 days (EPSS): 0.89%, higher than 59.4% of all vulnerabilities.
Fix: update to 2020.2.2 or later.

Package	Affected versions	Patched versions
teamcity jetbrains	`< 2020.2.2`	`2020.2.2`

In JetBrains TeamCity before 2020.2.2, permission checks for changing TeamCity plugins were implemented improperly.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.