Provide references for CVE-2021-45461.
Where can I find more information about CVE-2021-45461?
References are available at: https://community.freepbx.org/t/0-day-freepbx-exploit/80092, https://community.freepbx.org/t/security-issue-potential-rest-phone-apps-rce/80109, https://wiki.freepbx.org/display/FOP/2021-12-21+SECURITY%3A+Potential+Rest+Phone+Apps+RCE.