Provide references for CVE-2019-16990.
Where can I find more information about CVE-2019-16990?
References are available at: https://github.com/fusionpbx/fusionpbx/commit/95ed18aa9d781f232f5686a9027bb6f677c9b8da, https://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-path-traversal-3/.