CVE-2021-29263

Name: CVE-2021-29263
Creator: NVD / NIST
Published: 2021-05-11T12:15:07.653+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2021-29263 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In JetBrains IntelliJ IDEA 2020.3.3, local code execution was possible because of insufficient checks when getting the project from VCS.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

Description

In JetBrains IntelliJ IDEA 2020.3.3, local code execution was possible because of insufficient checks when getting the project from VCS.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.46%

36.2th percentile

Probability of exploitation in the next 30 days. Learn more

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-2021-29263?

In JetBrains IntelliJ IDEA 2020.3.3, local code execution was possible because of insufficient checks when getting the project from VCS.

How severe is CVE-2021-29263?

CVE-2021-29263 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29263?

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-2021-29263?

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

Scan your code now

Source: NVD / NIST