{"id":"CVE-2021-31204","revision":"12eee090c668454abf6a07b1531909c5","records":[{"revision":"12eee090c668454abf6a07b1531909c5","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-31204","aliases":[],"title":".NET and Visual Studio Elevation of Privilege Vulnerability","description":".NET and Visual Studio Elevation of Privilege Vulnerability","state":0,"publishedAt":"2021-05-11T19:11:40+00:00","modifiedAt":"2026-10-07T16:11:08.011+00:00","affected":[{"ecosystem":"Vendor product","name":".NET Core 3.1","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \".NET Core 3.1\",\n                    \"cpes\": [\n                        \"cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*\"\n                    ],\n                    \"platforms\": [\n                        \"Unknown\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.1\",\n                            \"lessThan\": \"3.1.15-servicing.21214.3\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":".NET 5.0","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \".NET 5.0\",\n                    \"cpes\": [\n                        \"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*\"\n                    ],\n                    \"platforms\": [\n                        \"Unknown\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.0.0\",\n                            \"lessThan\": \"5.0.6-servicing.21220.11\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)\",\n                    \"cpes\": [\n                        \"cpe:2.3:a:microsoft:visual_studio_2019:16.9:*:*:*:*:*:*:*\"\n                    ],\n                    \"platforms\": [\n                        \"Unknown\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"15.0.0\",\n                            \"lessThan\": \"publication\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)\",\n                    \"cpes\": [\n                        \"cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*\"\n                    ],\n                    \"platforms\": [\n                        \"Unknown\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"16.0\",\n                            \"lessThan\": \"publication\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)\",\n                    \"cpes\": [\n                        \"cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*\"\n                    ],\n                    \"platforms\": [\n                        \"Unknown\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"16.0.0\",\n                            \"lessThan\": \"publication\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Visual Studio 2019 for Mac version 8.9","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Visual Studio 2019 for Mac version 8.9\",\n                    \"cpes\": [\n                        \"cpe:2.3:a:microsoft:visual_studio_2019:8.10:*:*:*:*:macos:*:*\"\n                    ],\n                    \"platforms\": [\n                        \"Unknown\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"8.0\",\n                            \"lessThan\": \"publication\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","score":7.3,"severity":"HIGH"}],"references":["https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31204","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FVMWZPF4FR6JPFSNAIDIUDULHZJBVCW6/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6M7KL3KTHJVQNRA3CWFUTESQJARQEHSZ/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F3VM3RMPE7PNNLLI3BPCSAXITQZCFCA/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWF25Z3CZ6LYCOHZ7FPSFAQ426JUBUZ4/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UV4ITB3SUDGR23G7XALUVKFJMZERFUKF/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFXJPQUYUITJMV75YN3XIGE3KKN5GOCU/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-31204","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-31204","identifiers":["CVE-2021-31204"]},"retained":false,"historicalAffected":[]}],"coverage":[]}