CVE-2021-39118
First published: Tue Sep 14 2021(Updated: )
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to discover the usernames and full names of users via an enumeration vulnerability in the /rest/api/1.0/render endpoint. The affected versions are before version 8.19.0.
Credit: security@atlassian.com security@atlassian.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Atlassian Data Center | <8.19.0 | |
| Atlassian Jira | <8.19.0 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-39118?
CVE-2021-39118 is a vulnerability in Atlassian Jira Server and Data Center that allows remote attackers to discover the usernames and full names of users.
How can remote attackers exploit CVE-2021-39118?
Remote attackers can exploit CVE-2021-39118 by sending a request to the /rest/api/1.0/render endpoint.
Which versions of Atlassian Jira Server and Data Center are affected by CVE-2021-39118?
Versions of Atlassian Jira Server and Data Center before version 8.19.0 are affected by CVE-2021-39118.
What is the severity rating of CVE-2021-39118?
CVE-2021-39118 has a severity rating of 5.3 (medium).
How can I fix CVE-2021-39118?
To fix CVE-2021-39118, you should upgrade your Atlassian Jira Server or Data Center to version 8.19.0 or later.
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