Provide references for CVE-2021-27213.
Where can I find more information about CVE-2021-27213?
References are available at: https://github.com/cvandeplas/pystemon/commit/dbeb87afefdb63de2f4cff69b6f10c5965d14b54, https://www.huntr.dev/bounties/1-other-pystemon/.