Provide references for CVE-2021-32938.
Where can I find more information about CVE-2021-32938?
References are available at: https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02, https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf, https://www.zerodayinitiative.com/advisories/ZDI-21-980/, https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf, https://cert-portal.siemens.com/productcert/pdf/ssa-491245.pdf.