Provide references for CVE-2021-22720.
Where can I find more information about CVE-2021-22720?
References are available at: https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-103-01, https://www.zerodayinitiative.com/advisories/ZDI-21-450/, https://www.tenable.com/security/research/tra-2021-50.