What is CVE-2019-9823?

CVE-2019-9823 is a critical-severity vulnerability in Jetbrains Intellij Idea, classified under Cleartext Storage of Sensitive Information. CVSS score: 9.8/10. Published 2019-07-03.

How severe is CVE-2019-9823?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Jetbrains Intellij Idea

CVE-2019-9823

In several JetBrains IntelliJ IDEA versions, creating remote run configurations of JavaEE application servers leads to saving a cleartext record of the server credentials in the IDE configuration files. The issue has been fixed in the following versions: 2018.3.5, 2018.2.8, 2018.1.8.

Published 2019-07-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.016 (74.9th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.016 · change: +0.002

Affected products

Jetbrains Intellij Idea

Weakness classification (CWE)

References

blog.jetbrains.com/blog/2019/06/19/jetbrains-security-bulletin-q1-2019/ (Vendor Advisory)

Frequently asked questions

What is CVE-2019-9823?: CVE-2019-9823 is a critical-severity vulnerability in Jetbrains Intellij Idea, classified under Cleartext Storage of Sensitive Information. CVSS score: 9.8/10. Published 2019-07-03.
How severe is CVE-2019-9823?: Critical severity. CVSS v3 base score is 9.8 out of 10.