{"id":"CVE-2021-42307","aliases":["EUVD-2021-29282","GHSA-9qgv-jm4q-8gqq"],"status":"published","title":"Microsoft Edge (Chromium-based) Information Disclosure Vulnerability","description":"Microsoft Edge (Chromium-based) Information Disclosure Vulnerability","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01041,"percentile":0.64461,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-06-30T23:08:37Z","modified":"2026-06-17T04:09:37Z","products":[{"vendor":"microsoft","product":"edge_chromium"},{"vendor":"microsoft","product":"microsoft edge (chromium-based)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42307","tags":["vendor-advisory","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42307"},{"url":"https://github.com/advisories/GHSA-9qgv-jm4q-8gqq"}],"sources":{"cve":[{"id":"CVE-2021-42307","title":"Microsoft Edge (Chromium-based) Information Disclosure Vulnerability","description":"Microsoft Edge (Chromium-based) Information Disclosure Vulnerability","status":"published","published":"2023-06-30T23:08:37.767Z","modified":"2025-04-14T22:46:49.741Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:32:58.359368Z"}],"euvd":[{"id":"EUVD-2021-29282","description":"Microsoft Edge (Chromium-based) Information Disclosure Vulnerability","status":"published","published":"2023-06-30T23:08:37Z","modified":"2025-04-14T22:46:49Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T20:52:32.064592Z"}],"ghsa":[{"id":"GHSA-9qgv-jm4q-8gqq","title":"Microsoft Edge (Chromium-based) Information Disclosure Vulnerability","description":"Microsoft Edge (Chromium-based) Information Disclosure Vulnerability","status":"published","published":"2023-07-01T00:30:45Z","modified":"2024-04-04T05:19:30Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T14:56:31.684074Z"}],"nvd":[{"id":"CVE-2021-42307","description":"Microsoft Edge (Chromium-based) Information Disclosure Vulnerability","status":"published","published":"2023-07-01T00:15:09.883Z","modified":"2026-06-17T04:09:37.293Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"updated_at":"2026-11-02T14:07:07.764332Z"}]}}