CVE-2020-4021

Description

Affected versions are: Before 8.5.5, and from 8.6.0 before 8.8.1 of Atlassian Jira Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the XML export view.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.34%
Vendor Advisory atlassian.com
Affected: Atlassian Jira Server and Data Center
Published at:
Updated at:

References

Link Tags
https://jira.atlassian.com/browse/JRASERVER-70923 issue tracking vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-4021?
CVE-2020-4021 has been scored as a medium severity vulnerability.
How to fix CVE-2020-4021?
To fix CVE-2020-4021, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-4021 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-4021 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-4021?
CVE-2020-4021 affects Atlassian Jira Server and Data Center.
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