{"id":"CVE-2021-23624","aliases":["EUVD-2021-2306","GHSA-6g47-63mv-qpgh","SNYK-JS-DOTTY-1577292"],"status":"published","title":"Prototype Pollution","description":"This affects the package dotty before 0.1.2. A type confusion vulnerability can lead to a bypass of CVE-2021-25912 when the user-provided keys used in the path parameter are arrays.","severity":{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01283,"percentile":0.70473,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321","CWE-843"],"published":"2021-11-03T17:20:16Z","modified":"2026-10-20T10:54:32Z","fixes":[{"ecosystem":"npm","package":"dotty","fixed_in":["0.1.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"dotty","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.2"}]}]},{"source":"osv","ecosystem":"npm","package":"dotty","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.1.2"}]}]}],"products":[{"vendor":"dotty_project","product":"dotty"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-DOTTY-1577292","tags":["x_refsource_MISC","x_transferred","Exploit","Mitigation","Patch","Third Party Advisory","VDB Entry","fix","web"]},{"url":"https://github.com/deoxxa/dotty/commit/88f61860dcc274a07a263c32cbe9d44c24ef02d7","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23624","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6g47-63mv-qpgh"},{"url":"https://github.com/deoxxa/dotty","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-23624","title":"Prototype Pollution","description":"This affects the package dotty before 0.1.2. A type confusion vulnerability can lead to a bypass of CVE-2021-25912 when the user-provided keys used in the path parameter are arrays.","status":"published","published":"2021-11-03T17:20:16.037Z","modified":"2024-09-16T19:20:13.635Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:00.819444Z"}],"euvd":[{"id":"EUVD-2021-2306","description":"This affects the package dotty before 0.1.2. A type confusion vulnerability can lead to a bypass of CVE-2021-25912 when the user-provided keys used in the path parameter are arrays.","status":"published","published":"2021-11-03T17:20:16Z","modified":"2024-09-16T19:20:13Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:55:24.213258Z"}],"ghsa":[{"id":"GHSA-6g47-63mv-qpgh","title":"Prototype Pollution in dotty","description":"This affects the package dotty before 0.1.2. A type confusion vulnerability can lead to a bypass of CVE-2021-25912 when the user-provided keys used in the path parameter are arrays.","status":"published","published":"2021-11-08T17:55:48Z","modified":"2023-02-01T05:06:30Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-843","CWE-1321"],"updated_at":"2026-11-02T14:36:39.086869Z"}],"nvd":[{"id":"CVE-2021-23624","description":"This affects the package dotty before 0.1.2. A type confusion vulnerability can lead to a bypass of CVE-2021-25912 when the user-provided keys used in the path parameter are arrays.","status":"published","published":"2021-11-03T18:15:08.13Z","modified":"2026-06-17T03:38:50.64Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-843"],"updated_at":"2026-11-02T14:07:00.549994Z"}],"osv":[{"id":"CVE-2021-23624","description":"This affects the package dotty before 0.1.2. A type confusion vulnerability can lead to a bypass of CVE-2021-25912 when the user-provided keys used in the path parameter are arrays.","status":"published","published":"2021-11-03T18:15:08.13Z","modified":"2026-10-20T10:54:32.600674924Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:18.778776Z"},{"id":"GHSA-6g47-63mv-qpgh","title":"Prototype Pollution in dotty","description":"This affects the package dotty before 0.1.2. A type confusion vulnerability can lead to a bypass of CVE-2021-25912 when the user-provided keys used in the path parameter are arrays.","status":"published","published":"2021-11-08T17:55:48Z","modified":"2026-07-08T06:50:01.172373138Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-1321","CWE-843"],"updated_at":"2026-11-02T15:46:39.618611Z"}]}}