This High severity File Inclusion vulnerability was introduced in versions 9.17.2, 10.0.0, 10.1.1, 10.3.13, 11.1.0, 11.2.0, and 11.3.0 of Jira Software Data Center.

This File Inclusion vulnerability, with a CVSS Score of 7.7 and a CVSS Vector of CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E allows an unauthenticated attacker to get the application to display the contents of a local file, or execute a different files already stored locally on the server.

Atlassian recommends that Jira Software Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions:

• Jira Software Data Center 10.3: Upgrade to a release greater than or equal to 10.3.23

• Jira Software Data Center 11.3: Upgrade to a release greater than or equal to 11.3.8

See the release notes (https://www.atlassian.com/software/jira/download-archives). You can download the latest version of Jira Software Data Center from the download center (https://www.atlassian.com/software/jira/download-archives).

The National Vulnerability Database provides the following description for this vulnerability: tmp is a temporary file and directory creator for node.js. Prior to 0.2.6, the tmp npm package contains a path traversal vulnerability that allows escaping the intended temporary directory when untrusted data flows into the prefix, postfix, or dir options. By embedding traversal sequences (e.g., ../) or path separators in these parameters, attackers can cause files to be created outside the configured temporary base directory at attacker-controlled locations with the privileges of the running process. This vulnerability affects applications that pass user-controlled data to tmp's file/directory creation functions without proper input sanitization. This vulnerability is fixed in 0.2.6.