CVE-2021-39118

5.3 mediumEPSS 1.4%

Medium (5.3) in atlassian. EPSS 1.4% chance of exploitation in the next 30 days.

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to discover the usernames and full names of users via an enumeration vulnerability in the /rest/api/1.0/render endpoint. The affected versions are before version 8.19.0.

Severity

CVSS 3.1

5.3 medium

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

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 72% 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-72736
https://jira.atlassian.com/browse/JRASERVER-72736

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