{"id":"CVE-2021-23328","aliases":["EUVD-2021-0737","GHSA-2f6g-w5gj-c93h"],"status":"published","title":"Prototype Pollution","description":"This affects all versions of package iniparserjs. This vulnerability relates when ini_parser.js is concentrating arrays. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.","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:U/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00994,"percentile":0.62888,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1321"],"published":"2021-01-29T16:15:18Z","modified":"2026-06-17T03:38:33Z","affected":[{"source":"ghsa","ecosystem":"npm","package":"iniparserjs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.0.4"}]}]},{"source":"osv","ecosystem":"npm","package":"iniparserjs","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"1.0.4"}]}]}],"products":[{"vendor":"iniparserjs_project","product":"iniparserjs"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-INIPARSERJS-1065989","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://www.npmjs.com/package/iniparserjs","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23328","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-2f6g-w5gj-c93h"}],"sources":{"cve":[{"id":"CVE-2021-23328","title":"Prototype Pollution","description":"This affects all versions of package iniparserjs. This vulnerability relates when ini_parser.js is concentrating arrays. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.","status":"published","published":"2021-01-29T16:15:18.174Z","modified":"2024-09-17T01:42:00.544Z","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:U/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:00.819444Z"}],"euvd":[{"id":"EUVD-2021-0737","description":"This affects all versions of package iniparserjs. This vulnerability relates when ini_parser.js is concentrating arrays. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.","status":"published","published":"2021-01-29T16:15:18Z","modified":"2024-09-17T01:42:00Z","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:U/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:28:47.09844Z"}],"ghsa":[{"id":"GHSA-2f6g-w5gj-c93h","title":"Prototype Pollution in iniparserjs","description":"This affects all versions of package iniparserjs. This vulnerability relates when ini_parser.js is concentrating arrays. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.","status":"published","published":"2021-04-13T15:20:09Z","modified":"2023-02-01T05:05:19Z","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":"2026-11-02T14:36:33.613868Z"}],"nvd":[{"id":"CVE-2021-23328","description":"This affects all versions of package iniparserjs. This vulnerability relates when ini_parser.js is concentrating arrays. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.","status":"published","published":"2021-01-29T17:15:12.81Z","modified":"2026-06-17T03:38:33.943Z","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":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:49.660551Z"}],"osv":[{"id":"GHSA-2f6g-w5gj-c93h","title":"Prototype Pollution in iniparserjs","description":"This affects all versions of package iniparserjs. This vulnerability relates when ini_parser.js is concentrating arrays. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.","status":"published","published":"2021-04-13T15:20:09Z","modified":"2023-11-08T04:05:03.654038Z","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":"2026-11-02T15:46:34.338541Z"}]}}