Provide references for CVE-2021-4309.
Where can I find more information about CVE-2021-4309?
References are available at: https://vuldb.com/?id.217649, https://vuldb.com/?ctiid.217649, https://github.com/01-Scripts/01ACP/commit/a16eb7da46ed22bc61067c212635394f2571d3c4.