CVE-2019-8451

Name: CVE-2019-8451
Creator: NVD / NIST
Published: 2019-09-11T14:15:12.43+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 94.45%

Last modified Jun 17, 2026

CVE-2019-8451 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. The /plugins/servlet/gadgets/makeRequest resource in Jira before version 8.4.0 allows remote attackers to access the content of internal network resources via a Server Side Request Forgery (SSRF) vulnerability due to a logic bug in the JiraWhitelist class.. EPSS estimates a 94.45% chance of exploitation in the next 30 days.

Description

The /plugins/servlet/gadgets/makeRequest resource in Jira before version 8.4.0 allows remote attackers to access the content of internal network resources via a Server Side Request Forgery (SSRF) vulnerability due to a logic bug in the JiraWhitelist class.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

94.45%

99.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Atlassian	Jira Server	>= 7.6.0, < 8.4.0

References

https://jira.atlassian.com/browse/JRASERVER-69793Issue Tracking, Vendor Advisory
https://jira.atlassian.com/browse/JRASERVER-69793Issue Tracking, Vendor Advisory

Timeline

Published: Sep 11, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-8451?

How severe is CVE-2019-8451?

CVE-2019-8451 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 94.45% probability of exploitation in the next 30 days.

How do I fix CVE-2019-8451?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-8451?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST