How severe is CVE-2019-20401?

CVE-2019-20401 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-20401 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-2019-20401?

CVE-2019-20401 affects Atlassian Jira Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20401?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-20401 published?

CVE-2019-20401 was published on 2020-02-06 and last updated on 2026-06-17.

CVE-2019-20401

CVE-2019-20401 is a medium-severity vulnerability in Atlassian Jira Server with a CVSS 3.x base score of 6.5. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Atlassian Jira Server
Published: 2020-02-06
Last modified: 2026-06-17

Description

Various installation setup resources in Jira before version 8.5.2 allow remote attackers to configure a Jira instance, which has not yet finished being installed, via Cross-site request forgery (CSRF) vulnerabilities.

Frequently asked questions

What is CVE-2019-20401?: Various installation setup resources in Jira before version 8.5.2 allow remote attackers to configure a Jira instance, which has not yet finished being installed, via Cross-site request forgery (CSRF) vulnerabilities.
How severe is CVE-2019-20401?: CVE-2019-20401 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-20401 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-2019-20401?: CVE-2019-20401 affects Atlassian Jira Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20401?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-20401 published?: CVE-2019-20401 was published on 2020-02-06 and last updated on 2026-06-17.

References

https://jira.atlassian.com/browse/JRASERVER-70406

Affected products (1)

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

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