CVE-2021-30006: JetBrains Intellij Idea

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

In IntelliJ IDEA before 2020.3.3, XXE was possible, leading to information disclosure.

Affected products

• JetBrains Intellij Idea: before 2020.3.3 (fixed in 2020.3.3)

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