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Status published
Unknown
CVE-2021-26081
REST API in Atlassian Jira Server and Jira Data Center...
Vulnerability Description
REST API in Atlassian Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1 allows remote attackers to enumerate usernames via a Sensitive Data Exposure vulnerability in the `/rest/api/latest/user/avatar/temporary` endpoint.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Atlassian
View all reports →Affected Software
Jira Server, Jira Data Center
Vulnerable Versions:
unspecified, 8.6.0, 8.14.0
Timeline
Official Publish:
July 20th, 2021
Last Modified:
October 11th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.