Provide references for CVE-2019-20434.
Where can I find more information about CVE-2019-20434?
References are available at: https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2019-0616, https://github.com/cybersecurityworks/Disclosed/issues/17, https://cybersecurityworks.com/zerodays/cve-2019-20434-wso2.html.