{"id":"CVE-2020-28460","aliases":["EUVD-2021-0772","GHSA-67mq-h2r9-rh2m","SNYK-JS-MULTIINI-1053229"],"status":"published","title":"Prototype Pollution","description":"This affects the package multi-ini before 2.1.2. It is possible to pollute an object's prototype by specifying the constructor.proto object as part of an array. This is a bypass of CVE-2020-28448.","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/RL:O/RC:R","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01536,"percentile":0.75209,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321"],"published":"2020-12-22T13:05:14Z","modified":"2026-10-20T10:54:19Z","fixes":[{"ecosystem":"npm","package":"multi-ini","fixed_in":["2.1.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"multi-ini","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.2"}]}]},{"source":"osv","ecosystem":"npm","package":"multi-ini","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.1.2"}]}]}],"products":[{"vendor":"multi-ini_project","product":"multi-ini"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-MULTIINI-1053229","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://github.com/evangelion1204/multi-ini/commit/6b2212b2ce152c19538a2431415f72942c5a1bde","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28460","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-67mq-h2r9-rh2m"}],"sources":{"cve":[{"id":"CVE-2020-28460","title":"Prototype Pollution","description":"This affects the package multi-ini before 2.1.2. It is possible to pollute an object's prototype by specifying the constructor.proto object as part of an array. This is a bypass of CVE-2020-28448.","status":"published","published":"2020-12-22T13:05:14.404Z","modified":"2024-09-17T02:56:56.365Z","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/RL:O/RC:R","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2021-0772","description":"This affects the package multi-ini before 2.1.2. It is possible to pollute an object's prototype by specifying the constructor.proto object as part of an array. This is a bypass of CVE-2020-28448.","status":"published","published":"2020-12-22T13:05:14Z","modified":"2024-09-17T02:56:56Z","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/RL:O/RC:R","level":"medium"}],"updated_at":"2026-11-03T00:28:35.984836Z"}],"ghsa":[{"id":"GHSA-67mq-h2r9-rh2m","title":"Prototype pollution in multi-ini","description":"This affects the package multi-ini before 2.1.2. It is possible to pollute an object's prototype by specifying the constructor.proto object as part of an array. This is a bypass of CVE-2020-28448.","status":"published","published":"2021-04-13T15:23:41Z","modified":"2023-01-27T05:08:29Z","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"],"updated_at":"2026-11-02T14:36:22.592333Z"}],"nvd":[{"id":"CVE-2020-28460","description":"This affects the package multi-ini before 2.1.2. It is possible to pollute an object's prototype by specifying the constructor.proto object as part of an array. This is a bypass of CVE-2020-28448.","status":"published","published":"2020-12-22T13:15:12.507Z","modified":"2026-06-17T03:10:29.563Z","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":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","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-1321"],"updated_at":"2026-11-02T14:06:27.73474Z"}],"osv":[{"id":"CVE-2020-28460","description":"This affects the package multi-ini before 2.1.2. It is possible to pollute an object's prototype by specifying the constructor.proto object as part of an array. This is a bypass of CVE-2020-28448.","status":"published","published":"2020-12-22T13:15:12.507Z","modified":"2026-10-20T10:54:19.692586686Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:16.248747Z"},{"id":"GHSA-67mq-h2r9-rh2m","title":"Prototype pollution in multi-ini","description":"This affects the package multi-ini before 2.1.2. It is possible to pollute an object's prototype by specifying the constructor.proto object as part of an array. This is a bypass of CVE-2020-28448.","status":"published","published":"2021-04-13T15:23:41Z","modified":"2026-07-08T06:49:55.545986829Z","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"],"updated_at":"2026-11-02T15:46:39.266402Z"}]}}