What is CVE-2024-21685?

CVE-2024-21685 is a medium-severity vulnerability in Atlassian Jira Core Data Center, classified under Information Disclosure. CVSS score: 6.5/10. Published 2024-06-18.

How severe is CVE-2024-21685?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Information disclosure in Atlassian Jira Core Data Center

CVE-2024-21685

This High severity Information Disclosure vulnerability was introduced in versions 9.4.0, 9.12.0, and 9.15.0 of Jira Core Data Center. This Information Disclosure vulnerability, with a CVSS Score of 7.4, allows an unauthenticated attacker to view sensitive information via an Information Disclosure vulnerability which has high impact to confidentiality, no impact to integrity, no impact to availability, and requires user interaction. Atlassian recommends that Jira Core Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Jira Core Data Center 9.4: Upgrade to a release greater than or equal to 9.4.21 Jira Core Data Center 9.12: Upgrade to a release greater than or equal to 9.12.8 Jira Core Data Center 9.16: Upgrade to a release greater than or equal to 9.16.0 See the release notes. You can download the latest version of Jira Core Data Center from the download center. This vulnerability was found internally.

Vulnerability class: Information Disclosure

Published 2024-06-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (38.2th percentile), scored 2026-10-31.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Atlassian Jira Core Data Center — versions 9.12.0 to 9.12.7, 9.4.0 to 9.4.20, 9.16.0 to 9.16.1
Atlassian Jira Data Center
Atlassian Jira Server

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

confluence.atlassian.com/pages/viewpage.action (Vendor Advisory)
jira.atlassian.com/browse/JRASERVER-77713 (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2024-21685?: CVE-2024-21685 is a medium-severity vulnerability in Atlassian Jira Core Data Center, classified under Information Disclosure. CVSS score: 6.5/10. Published 2024-06-18.
How severe is CVE-2024-21685?: Medium severity. CVSS v3 base score is 6.5 out of 10.