Improper Neutralization of Special Elements in Output Used by a Downstream Component in Jira Software Server - CVE-2020-14172

 

Improper Neutralization of Special Elements in Output Used by a Downstream Component in Jira Software Server - CVE-2020-14172

Published: July 3, 2020 / Updated: July 17, 2020


Vulnerability identifier: #VU30149
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-14172
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

This issue exists to document that a security improvement in the way that Jira Server and Data Center use velocity templates has been implemented. The way in which velocity templates were used in Atlassian Jira Server and Data Center prior to version 8.8.1 allowed remote attackers to achieve remote code execution via insecure deserialization, if they were able to exploit a server side template injection vulnerability.


Affected software

Jira Software Server

How to mitigate CVE-2020-14172

Install update from vendor's website.

Jira Software Server - update to 8.8.1

External References

Related Security Bulletins