Review the critical issues reported by Nexus IQ for appc/cdt

https://nexus-iq.wl.linuxfoundation.org/assets/index.html#/reports/appc-cdt/63f0e0f1d1d94aada8f044b6eb759bf2

When possible, eliminate the critical security issue

When not possible, assess the security risk, document it in the Security Vulnerability template, document mitigation