CVE-2021-39115
HIGHEPSS 91th pctlDescription
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.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
High risk: more likely to be exploited than 91% of all known CVEs.
References
Related Vulnerabilities
Other CWE-96 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2022-43938 | High | 8.8 | 26% | - | Fix |
| CVE-2024-37900 | Medium | 6.4 | 16% | - | Fix |
| CVE-2020-6144 | Critical | 9.8 | 6.2% | - | - |
| CVE-2020-6143 | Critical | 9.8 | 6.2% | - | - |
| CVE-2022-0895 | Critical | 9.8 | 1.7% | - | Fix |
| CVE-2024-55877 | Critical | 9.9 | 1.6% | - | Fix |
Common questions
How do I fix CVE-2021-39115?
Upgrade Jira Service Management Long Term Support to 4.18.0 or later.
Is CVE-2021-39115 being actively exploited?
Not that we know of. CVE-2021-39115 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 4.5% is the estimated probability that it will be exploited in the next 30 days. That is higher than 91% of all scored CVEs.
How severe is CVE-2021-39115?
CVE-2021-39115 has a CVSS v3 base score of 7.2, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2021-39115 affect?
Published advisories record a fix for Jira Service Management Long Term Support (Windows application). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.