CVE-2021-30504

HIGH 7.5CVE-2021-30504 · Published 11/05/2021 · updated 17/06/2026

In short

CVE-2021-30504 is a HIGH (CVSS 7.5) vulnerability affecting intellij idea (jetbrains).
Chance of exploitation in the next 30 days (EPSS): 2.3%, higher than 83.4% of all vulnerabilities.
Fix: update to 2021.1 or later.

Package	Affected versions	Patched versions
intellij idea jetbrains	`< 2021.1`	`2021.1`

In JetBrains IntelliJ IDEA before 2021.1, DoS was possible because of unbounded resource allocation.

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