How severe is CVE-2019-20419?

CVE-2019-20419 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-20419 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20419?

CVE-2019-20419 primarily affects Atlassian Jira Data Center. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-20419?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-20419 published?

CVE-2019-20419 was published on 2020-07-03 and last updated on 2026-06-17.

CVE-2019-20419

CVE-2019-20419 is a high-severity vulnerability in Atlassian Jira Data Center with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-427.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.4
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Atlassian Jira Data Center
Published: 2020-07-03
Last modified: 2026-06-17

Description

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to execute arbitrary code via a DLL hijacking vulnerability in Tomcat. The affected versions are before version 8.5.5, and from version 8.6.0 before 8.7.2.

Frequently asked questions

What is CVE-2019-20419?: Affected versions of Atlassian Jira Server and Data Center allow remote attackers to execute arbitrary code via a DLL hijacking vulnerability in Tomcat. The affected versions are before version 8.5.5, and from version 8.6.0 before 8.7.2.
How severe is CVE-2019-20419?: CVE-2019-20419 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-20419 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20419?: CVE-2019-20419 primarily affects Atlassian Jira Data Center. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-20419?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-20419 published?: CVE-2019-20419 was published on 2020-07-03 and last updated on 2026-06-17.

References

https://jira.atlassian.com/browse/JRASERVER-70945

Affected products (2)

cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*

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