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CVE-2021-39121

CVE-2021-39121

EPSS 1.1%
Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers to enumerate the keys of private Jira projects via an Information Disclosure vulnerability in the /rest/api/latest/projectvalidate/key endpoint. The affected versions are before version 8.5.18, from version 8.6.0 before 8.13.10, and from version 8.14.0 before 8.18.2.
Affected products
Atlassian · Jira Data CenterAtlassian · Jira Server

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References
https://jira.atlassian.com/browse/JRASERVER-72715