Code Injection in Jira Service Management Server - CVE-2021-39115
Published: December 28, 2021
Vulnerability identifier: #VU59101
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2021-39115
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Atlassian
Affected software:
Jira Service Management Server
Jira Service Management Server
Detailed vulnerability description
The vulnerability allows a remote privileged user to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in the Email Template feature. A remote user with "Jira Administrators" access can execute arbitrary Java code or run arbitrary system commands by injecting the code via the Email Template feature.
How to mitigate CVE-2021-39115
Install updates from vendor's website.