Server-Side Template Injection in Atlassian Jira Service Management Server and Data Center
CVE-2021-39115

7.2HIGH

Key Information:

Vendor
Atlassian
Status
Jira Service Desk Server
Jira Service Desk Data Center
Vendor
CVE Published:
1 September 2021

Badges

👾 Exploit Exists🟡 Public PoC

Summary

The server-side template injection vulnerability in Atlassian Jira Service Management Server and Data Center enables remote attackers with Jira Administrators access to execute arbitrary Java code or run arbitrary system commands through the Email Template feature. This flaw affects versions prior to 4.13.9 and those between 4.14.0 and 4.18.0, exposing the application to potential security breaches.

Affected Version(s)

Jira Service Desk Data Center < 4.13.9

Jira Service Desk Data Center 4.14.0

Jira Service Desk Data Center < 4.18.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-39115
Created by PetrusViet

References

https://jira.atlassian.com/browse/JSDSERVER-8665
x_refsource_MISC

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.