Provide references for CVE-2021-25663.
Where can I find more information about CVE-2021-25663?
References are available at: https://cert-portal.siemens.com/productcert/pdf/ssa-248289.pdf, https://us-cert.cisa.gov/ics/advisories/icsa-21-103-05, https://cert-portal.siemens.com/productcert/html/ssa-248289.html.