Provide references for CVE-2020-28381.
Where can I find more information about CVE-2020-28381?
References are available at: https://cert-portal.siemens.com/productcert/pdf/ssa-979834.pdf, https://www.zerodayinitiative.com/advisories/ZDI-21-048/, https://www.zerodayinitiative.com/advisories/ZDI-21-053/, https://us-cert.cisa.gov/ics/advisories/icsa-21-012-04, https://www.zerodayinitiative.com/advisories/ZDI-21-074/.