CVE-2021-43944

Description

This issue exists to document that a security improvement in the way that Jira Server and Data Center use templates has been implemented. Affected versions of Atlassian Jira Server and Data Center allowed remote attackers with system administrator permissions to execute arbitrary code via Template Injection leading to Remote Code Execution (RCE) in the Email Templates feature. The affected versions are before version 8.13.15, and from version 8.14.0 before 8.20.3.

Category

7.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.36% Top 25%
Vendor Advisory atlassian.com
Affected: Atlassian Jira Server
Affected: Atlassian Jira Data Center
Published at:
Updated at:

References

Link Tags
https://jira.atlassian.com/browse/JRASERVER-73072 vendor advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2021-43944?
CVE-2021-43944 has been scored as a high severity vulnerability.
How to fix CVE-2021-43944?
To fix CVE-2021-43944, 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-2021-43944 being actively exploited in the wild?
It is possible that CVE-2021-43944 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-43944?
CVE-2021-43944 affects Atlassian Jira Server, Atlassian Jira Data Center.
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