RCE in Atlassian Jira Service Desk

CVE-2021-39115

Affected versions of Atlassian Jira Service Management Server and Data Center allow remote attackers with "Jira Administrators" access to execute arbitrary Java code or run arbitrary system commands via a Server_Side Template Injection vulnerability in the Email Template feature. The affected versions are before version 4.13.9, and from version 4.14.0 before 4.18.0.

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: 0.045 (91.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.5% 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-2021-39115: held from 0.045 to 0.045.

EPSS over last 30 days · oldest: 0.045 · newest: 0.045 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-39115?
CVE-2021-39115 is a high-severity vulnerability in Atlassian Jira Service Desk, classified under Improper Neutralization of Directives in Statically Saved Code (Static Code Injection). CVSS score: 7.2/10. Published 2021-09-01.
How severe is CVE-2021-39115?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2021-39115 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.