Provide references for CVE-2021-40539.
Where can I find more information about CVE-2021-40539?
References are available at: https://www.manageengine.com, https://www.manageengine.com/products/self-service-password/kb/how-to-fix-authentication-bypass-vulnerability-in-REST-API.html, http://packetstormsecurity.com/files/165085/ManageEngine-ADSelfService-Plus-Authentication-Bypass-Code-Execution.html.