How does CVE-2020-4024 affect Atlassian Jira?

CVE-2020-4024 affects Atlassian Jira Server versions before 8.5.5, and Jira Data Center versions from 8.6.0 to 8.8.2, and from 8.9.0 to 8.9.1.

What is the severity of CVE-2020-4024?

CVE-2020-4024 has a severity rating of medium, with a CVSS score of 5.4.

How can remote attackers exploit CVE-2020-4024?

Remote attackers can exploit CVE-2020-4024 by uploading issue attachments containing malicious HTML or JavaScript code, which will be executed when other users download the attachments.

Is there a fix for CVE-2020-4024?

Yes, Atlassian has released patches to fix CVE-2020-4024. Users should upgrade to Jira Server 8.5.5 or higher, or Jira Data Center 8.8.2, 8.9.1, or higher to mitigate the vulnerability.

Vulnerability/
CVE-2020-4024

medium

5.4

CWE

1/7/2020

30/3/2022

CVE-2020-4024: XSS

Q: What is CVE-2020-4024?

CVE-2020-4024 is a vulnerability in Atlassian Jira Server and Data Center that allows remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in issue attachments.

First published: Wed Jul 01 2020(Updated: )

The attachment download resource in Atlassian Jira Server and Data Center before 8.5.5, and from 8.6.0 before 8.8.2, and from 8.9.0 before 8.9.1 allows remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability issue attachments with a vnd.wap.xhtml+xml content type.

Credit: security@atlassian.com

Affected Software	Affected Version	How to fix
Atlassian JIRA	<8.5.5
Atlassian Jira Data Center	>=8.6.0<8.8.2
Atlassian Jira Data Center	>=8.9.0<8.9.1
Atlassian Jira Server	>=8.6.0<8.8.2
Atlassian Jira Server	>=8.9.0<8.9.1
Atlassian Jira Software Data Center	<8.5.5

Never miss a vulnerability like this again

Reference Links

https://jira.atlassian.com/browse/JRASERVER-71113

Frequently Asked Questions

What is CVE-2020-4024?
CVE-2020-4024 is a vulnerability in Atlassian Jira Server and Data Center that allows remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in issue attachments.
How does CVE-2020-4024 affect Atlassian Jira?
CVE-2020-4024 affects Atlassian Jira Server versions before 8.5.5, and Jira Data Center versions from 8.6.0 to 8.8.2, and from 8.9.0 to 8.9.1.
What is the severity of CVE-2020-4024?
CVE-2020-4024 has a severity rating of medium, with a CVSS score of 5.4.
How can remote attackers exploit CVE-2020-4024?
Remote attackers can exploit CVE-2020-4024 by uploading issue attachments containing malicious HTML or JavaScript code, which will be executed when other users download the attachments.
Is there a fix for CVE-2020-4024?
Yes, Atlassian has released patches to fix CVE-2020-4024. Users should upgrade to Jira Server 8.5.5 or higher, or Jira Data Center 8.8.2, 8.9.1, or higher to mitigate the vulnerability.

collector/nvd-index
vendor/atlassian
canonical/atlassian jira
canonical/atlassian jira data center
version/atlassian jira data center/8.6.0
version/atlassian jira data center/8.9.0
canonical/atlassian jira server
version/atlassian jira server/8.6.0
version/atlassian jira server/8.9.0
canonical/atlassian jira software data center

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.