{"id":"CVE-2021-42277","aliases":["EUVD-2021-29253","GHSA-p3rm-m944-qxgv"],"status":"published","title":"Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability","description":"Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00867,"percentile":0.5914,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-11-10T00:47:02Z","modified":"2026-08-19T18:32:46Z","products":[{"vendor":"microsoft","product":"microsoft visual studio 2015 update 3"},{"vendor":"microsoft","product":"microsoft visual studio 2017 version 15.9 (includes 15.0 - 15.8)"},{"vendor":"microsoft","product":"microsoft visual studio 2019 version 16.11 (includes 16.0 - 16.10)"},{"vendor":"microsoft","product":"microsoft visual studio 2019 version 16.7 (includes 16.0 – 16.6)"},{"vendor":"microsoft","product":"microsoft visual studio 2019 version 16.9 (includes 16.0 - 16.8)"},{"vendor":"microsoft","product":"visual_studio"},{"vendor":"microsoft","product":"visual_studio_2017"},{"vendor":"microsoft","product":"visual_studio_2019"},{"vendor":"microsoft","product":"windows 10 version 1507"},{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 1909"},{"vendor":"microsoft","product":"windows 10 version 2004"},{"vendor":"microsoft","product":"windows 10 version 20h2"},{"vendor":"microsoft","product":"windows 10 version 21h1"},{"vendor":"microsoft","product":"windows 11 version 21h2"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows server version 2004"},{"vendor":"microsoft","product":"windows server version 20h2"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_11"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42277","tags":["vendor-advisory","patch"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42277","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1306/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42277"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1306"},{"url":"https://github.com/advisories/GHSA-p3rm-m944-qxgv"}],"sources":{"cve":[{"id":"CVE-2021-42277","title":"Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability","description":"Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability","status":"published","published":"2021-11-10T00:47:02Z","modified":"2026-08-19T16:27:17.538Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29253","description":"Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability","status":"published","published":"2021-11-10T00:47:02Z","modified":"2026-08-19T16:27:17Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T18:01:43.218519Z"}],"ghsa":[{"id":"GHSA-p3rm-m944-qxgv","title":"Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability","description":"Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability","status":"published","published":"2022-05-24T19:20:23Z","modified":"2026-08-19T18:32:46Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:10:43.503566Z"}],"nvd":[{"id":"CVE-2021-42277","description":"Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability","status":"published","published":"2021-11-10T01:19:44.063Z","modified":"2026-08-19T17:17:58.57Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:07:00.984108Z"}]}}