Jaspersoft Server 6.2.1 is vulnerable to these two vulnerabilities, CVE-2017-5529 and CVE-2017-5528.
Based on the Jaspersoft security bulletins, both of these are resolved in Jaspersoft 6.2.3.
https://www.tibco.com/support/advisories/2017/06/tibco-security-advisory-june-28-2017-tibco-jasperreports-server-2017-0
https://www.tibco.com/support/advisories/2017/06/tibco-security-advisory-june-28-2017-tibco-jasperreports-server-2017
Have these security vulnerabilities been addressed by the recent Jaspersoft 6.2.1 cumulative patch?