What is CVE-2021-26069?

CVE-2021-26069 is a vulnerability in Atlassian Jira Server and Data Center that allows unauthenticated remote attackers to download temporary files and enumerate project keys.

What is the severity of CVE-2021-26069?

CVE-2021-26069 has a severity rating of medium (5.3).

Is there a fix for CVE-2021-26069?

Yes, upgrading to a version that is not affected by the vulnerability is the recommended fix for CVE-2021-26069.

Vulnerability/
CVE-2021-26069

medium

5.3

CWE

22/3/2021

30/3/2022

CVE-2021-26069

Q: What are the affected versions of Atlassian Jira Server and Data Center?

The affected versions are before version 8.5.11 for Atlassian Jira Server and before version 8.6.0 to 8.13.3 for Atlassian Jira Data Center.

Q: How does CVE-2021-26069 work?

CVE-2021-26069 allows unauthenticated remote attackers to exploit an Information Disclosure vulnerability in the /rest/api/1.0/issues/{id}/ActionsAndOperations API endpoint to download temporary files and enumerate project keys.

First published: Mon Mar 22 2021(Updated: )

Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to download temporary files and enumerate project keys via an Information Disclosure vulnerability in the /rest/api/1.0/issues/{id}/ActionsAndOperations API endpoint. The affected versions are before version 8.5.11, from version 8.6.0 before 8.13.3, and from version 8.14.0 before 8.15.0.

Credit: security@atlassian.com

Affected Software	Affected Version	How to fix
Atlassian Data Center	<8.5.11
Atlassian Data Center	>=8.6.0<8.13.3
Atlassian JIRA	<8.5.11
Atlassian Jira Data Center	>=8.14.0<8.15.0
Atlassian Jira Server	>=8.6.0<8.13.3
Atlassian Jira Server	>=8.14.0<8.15.0

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Reference Links

https://jira.atlassian.com/browse/JRASERVER-72010

Frequently Asked Questions

What is CVE-2021-26069?
CVE-2021-26069 is a vulnerability in Atlassian Jira Server and Data Center that allows unauthenticated remote attackers to download temporary files and enumerate project keys.
What are the affected versions of Atlassian Jira Server and Data Center?
The affected versions are before version 8.5.11 for Atlassian Jira Server and before version 8.6.0 to 8.13.3 for Atlassian Jira Data Center.
What is the severity of CVE-2021-26069?
CVE-2021-26069 has a severity rating of medium (5.3).
How does CVE-2021-26069 work?
CVE-2021-26069 allows unauthenticated remote attackers to exploit an Information Disclosure vulnerability in the /rest/api/1.0/issues/{id}/ActionsAndOperations API endpoint to download temporary files and enumerate project keys.
Is there a fix for CVE-2021-26069?
Yes, upgrading to a version that is not affected by the vulnerability is the recommended fix for CVE-2021-26069.

collector/nvd-index
agent/weakness
agent/references
agent/author
agent/severity
agent/tags
agent/type
agent/description
agent/event
agent/first-publish-date
vendor/atlassian
canonical/atlassian data center
version/atlassian data center/8.6.0
canonical/atlassian jira
canonical/atlassian jira data center
version/atlassian jira data center/8.14.0
canonical/atlassian jira server
version/atlassian jira server/8.6.0
version/atlassian jira server/8.14.0

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