What is CVE-2020-27622?

CVE-2020-27622 is a medium-severity vulnerability in Jetbrains Intellij Idea. CVSS score: 5.3/10. Published 2020-11-16.

How severe is CVE-2020-27622?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Jetbrains Intellij Idea

CVE-2020-27622

In JetBrains IntelliJ IDEA before 2020.2, the built-in web server could expose information about the IDE version.

Published 2020-11-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.013 (69.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Jetbrains Intellij Idea

References

blog.jetbrains.com (Vendor Advisory)
blog.jetbrains.com/2020/11/16/jetbrains-security-bulletin-q3-2020/ (Vendor Advisory)

Frequently asked questions

What is CVE-2020-27622?: CVE-2020-27622 is a medium-severity vulnerability in Jetbrains Intellij Idea. CVSS score: 5.3/10. Published 2020-11-16.
How severe is CVE-2020-27622?: Medium severity. CVSS v3 base score is 5.3 out of 10.