{"id":"CVE-2021-43877","details":"ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability","aliases":["BIT-aspnet-core-2021-43877"],"modified":"2026-07-08T05:57:42.055329289Z","published":"2021-12-15T15:15:10.950Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"16.7"},{"last_affected":"16.7"},{"introduced":"16.9"},{"last_affected":"16.9"},{"introduced":"16.11"},{"last_affected":"16.11"}],"source":"CPE_STRING","vendor_product":"microsoft:visual_studio_2019","cpes":["cpe:2.3:a:microsoft:visual_studio_2019:16.11:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:visual_studio_2019:16.7:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:visual_studio_2019:16.9:*:*:*:*:*:*:*"]},{"vendor_product":"microsoft:visual_studio_2022","cpes":["cpe:2.3:a:microsoft:visual_studio_2022:17.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"17.0"},{"last_affected":"17.0"}],"source":"CPE_STRING"}]},"references":[{"type":"FIX","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43877"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dotnet/aspnetcore","events":[{"introduced":"03019875e4eab279a99ba3ba5ee75fb0e4935ce6"},{"last_affected":"ae1a6cbe225b99c0bf38b7e31bf60cb653b73a52"}],"database_specific":{"source":"CPE_STRING","cpe":["cpe:2.3:a:microsoft:asp.net_core:3.1:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:asp.net_core:5.0:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:asp.net_core:6.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"3.1"},{"last_affected":"3.1"},{"introduced":"5.0"},{"last_affected":"5.0"},{"introduced":"6.0"},{"last_affected":"6.0"}]}}],"versions":["3.1","5.0","6.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-43877.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}]}