Vulnerability in Atlassian Data Center

CVE-2021-43947

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.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.043 (91.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-43947: held from 0.041 to 0.043.

EPSS over last 30 days · oldest: 0.041 · newest: 0.043 · change: +0.001

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-43947?
CVE-2021-43947 is a high-severity vulnerability in Atlassian Data Center. CVSS score: 7.2/10. Published 2022-01-06.
How severe is CVE-2021-43947?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2021-43947 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.