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CVE-2021-39115

HIGH
7.2
CVSS Score
Published: September 1, 2021 at 11:00 PM UTC
Updated: June 17, 2026 at 04:03 AM UTC
2 products affected across 1 vendorJira Service ManagementJira Service Desk

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Severity
HIGH7.2
Exploit prediction
EPSS 4%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Jira Service Desk· Atlassianatlassian-app
95%
v ≥ 4.14.0v < 4.13.9v < 4.18.04.14.0
Affected range stops below 4.13.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.18.0, so it looks safe — our inference, not a vendor statement
Jira Service Management· Atlassianatlassian-app
95%
4.14.0 ≤ v < 4.18.04.14.0
Affected range stops below 4.18.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://jira.atlassian.com/browse/JSDSERVER-8665

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-96CWE-94

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