Provide references for CVE-2021-3604.
Where can I find more information about CVE-2021-3604?
References are available at: https://www.incibe-cert.es/en/early-warning/ics-advisories/primion-digitek-secure-8-sql-injection-vulnerability, http://titaniumaics.blogspot.com/2021/06/vulnerabilidad-zero-day-en-primion.html.