Provide references for CVE-2021-33393.
Where can I find more information about CVE-2021-33393?
References are available at: https://github.com/MucahitSaratar/ipfire-2-25-auth-rce, https://github.com/ipfire/ipfire-2.x/commit/6769d909306d7bdc43d64598872126fcf1b217f6, https://github.com/ipfire/ipfire-2.x/commits/master?since=2021-05-17&until=2021-05-17, http://packetstormsecurity.com/files/163158/IPFire-2.25-Remote-Code-Execution.html.