Provide references for CVE-2021-37421.
Where can I find more information about CVE-2021-37421?
References are available at: https://pitstop.manageengine.com/portal/en/community/topic/adselfservice-plus-6104-released-with-an-important-security-fixes, https://blog.stmcyber.com/vulns/cve-2021-37421/.