Is CVE-2019-20409 actively exploited?

No active exploitation of CVE-2019-20409 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-20409 be exploited remotely?

Yes. CVE-2019-20409 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-20409?

CVE-2019-20409 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2019-20409

CWE-74Published: June 23, 2020· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2019-20409 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.