What is CVE-2021-43944?

CVE-2021-43944 is a high-severity vulnerability in Atlassian Jira Data Center, classified under Code Injection. CVSS score: 7.2/10. Published 2022-03-08.

How severe is CVE-2021-43944?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Atlassian Jira Data Center

CVE-2021-43944

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.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.023 (82.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Atlassian Jira Data Center — versions unspecified, 8.14.0
Atlassian Jira_data_center
Atlassian Jira Server — versions unspecified, 8.14.0
Atlassian Jira_server

Weakness classification (CWE)

CWE-94 — Code Injection

References

security@atlassian.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2021-43944?: CVE-2021-43944 is a high-severity vulnerability in Atlassian Jira Data Center, classified under Code Injection. CVSS score: 7.2/10. Published 2022-03-08.
How severe is CVE-2021-43944?: High severity. CVSS v3 base score is 7.2 out of 10.