{"id":"CVE-2020-28448","aliases":["EUVD-2021-0823","GHSA-g78f-549w-c354"],"status":"published","title":"Prototype Pollution","description":"This affects the package multi-ini before 2.1.1. It is possible to pollute an object's prototype by specifying the proto object as part of an array.","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":"2026-11-09","score":0.01455,"percentile":0.73658,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321"],"published":"2020-12-22T13:05:19Z","modified":"2026-06-17T03:10:28Z","fixes":[{"ecosystem":"npm","package":"multi-ini","fixed_in":["2.1.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"multi-ini","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.1"}]}]},{"source":"osv","ecosystem":"npm","package":"multi-ini","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.1.1"}]}]}],"products":[{"vendor":"multi-ini_project","product":"multi-ini"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-MULTIINI-1048969","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://github.com/evangelion1204/multi-ini/pull/37","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28448","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-g78f-549w-c354"}],"sources":{"cve":[{"id":"CVE-2020-28448","title":"Prototype Pollution","description":"This affects the package multi-ini before 2.1.1. It is possible to pollute an object's prototype by specifying the proto object as part of an array.","status":"published","published":"2020-12-22T13:05:19.967Z","modified":"2024-09-16T19:36:53.039Z","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-2021-0823","description":"This affects the package multi-ini before 2.1.1. It is possible to pollute an object's prototype by specifying the proto object as part of an array.","status":"published","published":"2020-12-22T13:05:19Z","modified":"2024-09-16T19:36:53Z","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":"2026-11-03T00:55:21.523281Z"}],"ghsa":[{"id":"GHSA-g78f-549w-c354","title":"Prototype Pollution in multi-ini","description":"This affects the package multi-ini before 2.1.1. It is possible to pollute an object's prototype by specifying the proto object as part of an array.","status":"published","published":"2021-04-13T15:23:59Z","modified":"2023-02-01T05:05:14Z","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"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:36:33.613868Z"}],"nvd":[{"id":"CVE-2020-28448","description":"This affects the package multi-ini before 2.1.1. It is possible to pollute an object's prototype by specifying the proto object as part of an array.","status":"published","published":"2020-12-22T13:15:12.243Z","modified":"2026-06-17T03:10:28.373Z","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-1321"],"updated_at":"2026-11-02T14:06:27.73474Z"}],"osv":[{"id":"GHSA-g78f-549w-c354","title":"Prototype Pollution in multi-ini","description":"This affects the package multi-ini before 2.1.1. It is possible to pollute an object's prototype by specifying the proto object as part of an array.","status":"published","published":"2021-04-13T15:23:59Z","modified":"2026-03-13T22:10:59.579633Z","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"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:47.472172Z"}]}}