{"id":"RHSA-2021:0470","summary":"Red Hat Security Advisory: .NET Core 2.1 on Red Hat Enterprise Linux security and bugfix update","modified":"2026-06-29T10:34:00Z","published":"2024-09-13T22:44:00Z","upstream":["CVE-2021-1721"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2021:0470"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1926918"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_0470.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-1721"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2021-1721"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1721"},{"type":"ARTICLE","url":"https://github.com/dotnet/announcements/issues/175"},{"type":"ARTICLE","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1721"}],"affected":[{"package":{"name":"rh-dotnet21","ecosystem":"Red Hat:rhel_dotnet:2.1::el7","purl":"pkg:rpm/redhat/rh-dotnet21"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.1-24.el7_9"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:0470.json"}},{"package":{"name":"rh-dotnet21-dotnet","ecosystem":"Red Hat:rhel_dotnet:2.1::el7","purl":"pkg:rpm/redhat/rh-dotnet21-dotnet"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.1.521-1.el7_9"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:0470.json"}},{"package":{"name":"rh-dotnet21-dotnet-debuginfo","ecosystem":"Red Hat:rhel_dotnet:2.1::el7","purl":"pkg:rpm/redhat/rh-dotnet21-dotnet-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.1.521-1.el7_9"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:0470.json"}},{"package":{"name":"rh-dotnet21-dotnet-host","ecosystem":"Red Hat:rhel_dotnet:2.1::el7","purl":"pkg:rpm/redhat/rh-dotnet21-dotnet-host"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.1.25-1.el7_9"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:0470.json"}},{"package":{"name":"rh-dotnet21-dotnet-runtime-2.1","ecosystem":"Red Hat:rhel_dotnet:2.1::el7","purl":"pkg:rpm/redhat/rh-dotnet21-dotnet-runtime-2.1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.1.25-1.el7_9"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:0470.json"}},{"package":{"name":"rh-dotnet21-dotnet-sdk-2.1","ecosystem":"Red Hat:rhel_dotnet:2.1::el7","purl":"pkg:rpm/redhat/rh-dotnet21-dotnet-sdk-2.1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.1.521-1.el7_9"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:0470.json"}},{"package":{"name":"rh-dotnet21-dotnet-sdk-2.1.5xx","ecosystem":"Red Hat:rhel_dotnet:2.1::el7","purl":"pkg:rpm/redhat/rh-dotnet21-dotnet-sdk-2.1.5xx"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.1.521-1.el7_9"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:0470.json"}},{"package":{"name":"rh-dotnet21-runtime","ecosystem":"Red Hat:rhel_dotnet:2.1::el7","purl":"pkg:rpm/redhat/rh-dotnet21-runtime"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.1-24.el7_9"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:0470.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}