RCE in Atlassian Jira Data Center

CVE-2021-39128

Affected versions of Atlassian Jira Server or Data Center using the Jira Service Management addon allow remote attackers with JIRA Administrators access to execute arbitrary Java code via a server-side template injection vulnerability in the Email Template feature. The affected versions of Jira Server or Data Center are before version 8.13.12, and from version 8.14.0 before 8.19.1.

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: 0.026 (85.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.2% 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-2021-39128: rose from 0.019 to 0.026.

EPSS over last 30 days · oldest: 0.019 · newest: 0.026 · change: +0.007

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-39128?
CVE-2021-39128 is a high-severity vulnerability in Atlassian Jira Data Center, classified under Improper Neutralization of Special Elements Used in a Template Engine. CVSS score: 7.2/10. Published 2021-09-16.
How severe is CVE-2021-39128?
High severity. CVSS v3 base score is 7.2 out of 10.