CVE-2021-39116

5.5 mediumEPSS 1.5%

Medium (5.5) in atlassian. EPSS 1.5% chance of exploitation in the next 30 days.

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to impact the application's availability via a Denial of Service (DoS) vulnerability in the GIF Image Reader component. The affected versions are before version 8.13.14, and from version 8.14.0 before 8.19.0.

Severity

CVSS 3.1

5.5 medium

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

EPSS: 1.5% chance of exploitation in the next 30 days; higher than 73% of CVEs (scores of 2026-10-31)
Published: 2021-09-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

atlassian:jira_data_center
atlassian:jira_server

References

https://jira.atlassian.com/browse/JRASERVER-72738
https://jira.atlassian.com/browse/JRASERVER-72738

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