CVE-2021-39123

7.5 highEPSS 1.6%

High (7.5) in atlassian. EPSS 1.6% chance of exploitation in the next 30 days.

Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to impact the application's availability via a Denial of Service (DoS) vulnerability in the /rest/gadget/1.0/createdVsResolved/generate endpoint. The affected versions are before version 8.16.0.

Severity

CVSS 3.1

7.5 high

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

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
Published: 2021-09-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

atlassian:data_center
atlassian:jira

References

https://jira.atlassian.com/browse/JRASERVER-72237
https://jira.atlassian.com/browse/JRASERVER-72237

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