CVE-2021-43947

Description

Affected versions of Atlassian Jira Server and Data Center allow remote attackers with administrator privileges to execute arbitrary code via a Remote Code Execution (RCE) vulnerability in the Email Templates feature. This issue bypasses the fix of https://jira.atlassian.com/browse/JSDSERVER-8665. The affected versions are before version 8.13.15, and from version 8.14.0 before 8.20.3.

7.2

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 1.81% Top 20%

Vendor Advisory atlassian.com

Affected: Atlassian Jira Server

Affected: Atlassian Jira Data Center

References

Link	Tags
https://jira.atlassian.com/browse/JRASERVER-73067	vendor advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2021-43947?: CVE-2021-43947 has been scored as a high severity vulnerability.
How to fix CVE-2021-43947?: To fix CVE-2021-43947, 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-2021-43947 being actively exploited in the wild?: It is possible that CVE-2021-43947 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-43947?: CVE-2021-43947 affects Atlassian Jira Server, Atlassian Jira Data Center.

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