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Vulnerability record · CVE-2019-20409 · published 23 June 2020

CVE-2019-20409: Atlassian jira injection vulnerability

Atlassian · Jira

The way in which velocity templates were used in Atlassian Jira Server and Data Center prior to version 8.8.0 allowed remote attackers to gain remote code execution if they were able to exploit a server side template injection vulnerability.

9.8 CVSS 3.1 Critical EPSS 2.5% · top 16.0% CWE-74 · Injection
9.8CVSS 3.1 base score, v2 7.5
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

The way in which velocity templates were used in Atlassian Jira Server and Data Center prior to version 8.8.0 allowed remote attackers to gain remote code execution if they were able to exploit a server side template injection vulnerability.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://jira.atlassian.com/browse/JRASERVER-70944 Issue TrackingVendor Advisory
https://jira.atlassian.com/browse/JRASERVER-70944 Issue TrackingVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-14172Atlassian jira deserialization of untrusted data vulnerabilityThis issue exists to document that a security improvement in the way that Jira Server and Data Center use velocity templates has been implemented. Th…EPSS 2.5%9.8CVE-2017-5983Atlassian jira deserialization of untrusted data vulnerabilityThe JIRA Workflow Designer Plugin in Atlassian JIRA Server before 6.3.0 improperly uses an XML parser and deserializer, which allows remote attackers…EPSS 16%9.1CVE-2012-2926Atlassian JIRA and related products XML parser file read and DoSMultiple Atlassian products (JIRA, Confluence, FishEye, Crucible, Bamboo, Crowd) fail to properly restrict the capabilities of third-party XML parser…EPSS 66%analysed9.0CVE-2010-1165Atlassian jira code injection vulnerabilityAtlassian JIRA 3.12 through 4.1 allows remote authenticated administrators to execute arbitrary code by modifying the (1) attachment (aka attachments…EPSS 4.4%8.8CVE-2017-18113Atlassian data center code injection vulnerabilityThe DefaultOSWorkflowConfigurator class in Jira Server and Jira Data Center before version 8.18.1 allows remote attackers who can trick a system admi…EPSS 1.8%8.8CVE-2016-4319Atlassian jira cross-site request forgery vulnerabilityAtlassian JIRA Server before 7.1.9 has CSRF in auditing/settings.EPSS 0.87%8.1CVE-2019-8443Atlassian jira improper authentication vulnerabilityThe ViewUpgrades resource in Jira before version 7.13.4, from version 8.0.0 before version 8.0.4, and from version 8.1.0 before version 8.1.1 allows …EPSS 2.6%7.5CVE-2021-41311Atlassian jira software data center improper authentication vulnerabilityAffected versions of Atlassian Jira Server and Data Center allow attackers with access to an administrator account that has had its access revoked to…EPSS 0.84%

Source: NIST National Vulnerability Database (record CVE-2019-20409), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.