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jira_data_center

Vendor: atlassian

Actively Exploited 2 CISA KEV List
PoC / Exploits 4 Code Available
Total RCEs 9 Remote Access
Total CVEs 99 Total Indexed
Avg. EPSS 11.39% Exploit Prob.
Latest CVE CVE-2026-21589 Oct 05

Security Vulnerability Index

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9.8 CVSS

Jira Data Center, Jira Core Data Center, Jira Software Data Center from version 6.3.0 before 8.5.16, from 8.6.0 before 8.13.8, from 8.14.0 before 8.17.0 and Jira Service Management Data Center from version 2.0.2 before 4.5.16, from version 4.6.0 before 4.13.8, and from version 4.14.0 before 4.17.0 exposed a Ehcache RMI network service which attackers, who can connect to the service, on port 40001 and potentially 40011[0][1], could execute arbitrary code of their choice in Jira through deserialization due to a missing authentication vulnerability. While Atlassian strongly suggests restricting access to the Ehcache ports to only Data Center instances, fixed versions of Jira will now require a shared secret in order to allow access to the Ehcache service. [0] In Jira Data Center, Jira Core Data Center, and Jira Software Data Center versions prior to 7.13.1, the Ehcache object port can be randomly allocated. [1] In Jira Service Management Data Center versions prior to 3.16.1, the Ehcache object port can be randomly allocated.

EPSS: 49.82%
5.4 CVSS

Export HTML Report 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 inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability.

EPSS: 0.60%
5.4 CVSS

The XML Export 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 8.17.0 allows remote attackers to inject arbitrary HTML or JavaScript via a stored cross site scripting vulnerability.

EPSS: 1.00%
5.3 CVSS

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.

EPSS: 1.18%
6.1 CVSS

EditworkflowScheme.jspa in Jira Server and Jira Data Center before version 8.5.14, and from version 8.6.0 before version 8.13.6, and from 8.14.0 before 8.16.1 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability.

EPSS: 1.29%
6.1 CVSS

The CardLayoutConfigTable component in Jira Server and Jira Data Center before version 8.5.15, and from version 8.6.0 before version 8.13.7, and from version 8.14.0 before 8.17.0 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability.

EPSS: 1.24%
5.3 CVSS

Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the QueryComponentRendererValue!Default.jspa endpoint. The affected versions are before version 8.5.13, from version 8.6.0 before 8.13.5, and from version 8.14.0 before 8.15.1.

EPSS: 99.21%
3.7 CVSS

The jira.editor.user.mode cookie set by the Jira Editor Plugin in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before version 8.13.4, and from version 8.14.0 before version 8.15.0 allows remote anonymous attackers who can perform an attacker in the middle attack to learn which mode a user is editing in due to the cookie not being set with a secure attribute if Jira was configured to use https.

EPSS: 1.23%
4.3 CVSS

The Jira importers plugin AttachTemporaryFile rest resource in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before 8.13.4, and from version 8.14.0 before 8.15.1 allowed remote authenticated attackers to obtain the full path of the Jira application data directory via an information disclosure vulnerability in the error message when presented with an invalid filename.

EPSS: 1.61%
6.1 CVSS

The issue navigation and search view in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before version 8.13.4, and from version 8.14.0 before version 8.15.1 allows remote attackers to inject arbitrary HTML or JavaScript via a DOM Cross-Site Scripting (XSS) vulnerability caused by parameter pollution.

EPSS: 1.52%