Provide references for CVE-2021-42171.
Where can I find more information about CVE-2021-42171?
References are available at: https://minhnq22.medium.com/file-upload-to-rce-on-zenario-9-0-54156-cms-fa05fcc6cf74, https://github.com/hieuminhnv/Zenario-CMS-9.0-last-version/issues/2, http://packetstormsecurity.com/files/166617/Zenario-CMS-9.0.54156-Remote-Code-Execution.html.