Provide references for CVE-2021-30188.
Where can I find more information about CVE-2021-30188?
References are available at: https://customers.codesys.com/index.php, https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14725&token=08691519ef764b252630759eff925890176ecd78&download=.