Medium severity5.3NVD Advisory· Published Sep 14, 2021· Updated Jun 17, 2026

CVE-2021-39118

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Atlassian/Data Center
cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*
Range: <8.19.0
Atlassian/Jira
cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*
Range: <8.19.0
Atlassian/Crowd Data Center and Serverllm-fuzzy
Range: <8.19.0
Atlassian/Jira Core Data Centercpe-rescue
Range: unspecified
Atlassian/Jira Servercpe-rescue
Range: unspecified

Patches

Vulnerability mechanics

References

jira.atlassian.com/browse/JRASERVER-72736nvdVendor Advisory

News mentions

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epss	0.001
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ransomware	0.000