What is the vulnerability ID for this vulnerability?

The vulnerability ID is CVE-2020-4027.

What is the severity of CVE-2020-4027?

The severity of CVE-2020-4027 is medium, with a severity value of 4.7.

Which versions of Atlassian Confluence are affected by CVE-2020-4027?

Versions of Atlassian Confluence before 7.4.5 and from 7.5.0 to 7.5.1 are affected by CVE-2020-4027.

How can the injection vulnerability in custom user macros be exploited?

Remote attackers with system administration permissions can exploit the injection vulnerability in custom user macros to bypass velocity template injection mitigations.

Vulnerability/
CVE-2020-4027

medium

6.5

CWE

18/6/2020

4/8/2024

CVE-2020-4027

Q: What is the title of this vulnerability?

The title of this vulnerability is 'Affected versions of Atlassian Confluence Server and Data Center allowed remote attackers with system administration permissions to bypass velocity template injection mitigations via an injection vulnerability in custom user macros'.

First published: Thu Jun 18 2020(Updated: )

Affected versions of Atlassian Confluence Server and Data Center allowed remote attackers with system administration permissions to bypass velocity template injection mitigations via an injection vulnerability in custom user macros. The affected versions are before version 7.4.5, and from version 7.5.0 before 7.5.1.

Credit: security@atlassian.com

Affected Software	Affected Version	How to fix
Atlassian Confluence	<7.4.5
Atlassian Confluence Server	>=7.5.0<7.5.1

Remedy

https://jira.atlassian.com/browse/CONFSERVER-59898

Never miss a vulnerability like this again

Reference Links

https://jira.atlassian.com/browse/CONFSERVER-59898

Frequently Asked Questions

What is the vulnerability ID for this vulnerability?
The vulnerability ID is CVE-2020-4027.
What is the title of this vulnerability?
The title of this vulnerability is 'Affected versions of Atlassian Confluence Server and Data Center allowed remote attackers with system administration permissions to bypass velocity template injection mitigations via an injection vulnerability in custom user macros'.
What is the severity of CVE-2020-4027?
The severity of CVE-2020-4027 is medium, with a severity value of 4.7.
Which versions of Atlassian Confluence are affected by CVE-2020-4027?
Versions of Atlassian Confluence before 7.4.5 and from 7.5.0 to 7.5.1 are affected by CVE-2020-4027.
How can the injection vulnerability in custom user macros be exploited?
Remote attackers with system administration permissions can exploit the injection vulnerability in custom user macros to bypass velocity template injection mitigations.

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vendor/atlassian
canonical/atlassian confluence
canonical/atlassian confluence server
version/atlassian confluence server/7.5.0

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