CVE-2021-30006

Name: CVE-2021-30006
Creator: NVD / NIST
Published: 2021-05-11T12:15:07.717+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.07%

Last modified Jun 17, 2026

CVE-2021-30006 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In IntelliJ IDEA before 2020.3.3, XXE was possible, leading to information disclosure.. EPSS estimates a 1.07% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.07%

60.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-611

Affected Software

Vendor	Product	Versions
Jetbrains	Intellij Idea	< 2020.3.3

References

https://blog.jetbrains.comVendor Advisory
https://blog.jetbrains.com/blog/2021/05/07/jetbrains-security-bulletin-q1-2021/Vendor Advisory
https://blog.jetbrains.comVendor Advisory
https://blog.jetbrains.com/blog/2021/05/07/jetbrains-security-bulletin-q1-2021/Vendor Advisory

Timeline

Published: May 11, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-30006?

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

How severe is CVE-2021-30006?

CVE-2021-30006 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.07% probability of exploitation in the next 30 days.

How do I fix CVE-2021-30006?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-30006?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST