Cisco DUO network gateway (on-prem/self-hosted) Vendor Data Vendor Investigating Community Data Community Notes Source Note NCSC-NL CVE-2021-44228: Investigation Sources Date Attribution Description 2021-12-31 9:06:53 NCSC-NL Updated vendorInvestigating. Updated community note. 2021-12-30 21:31:50 CISAGov Updated vendorInvestigating.