Provide references for CVE-2021-27380.
Where can I find more information about CVE-2021-27380?
References are available at: https://cert-portal.siemens.com/productcert/pdf/ssa-715184.pdf, https://cert-portal.siemens.com/productcert/pdf/ssa-574442.pdf, https://us-cert.cisa.gov/ics/advisories/icsa-21-103-06.