{"id":"CVE-2020-28280","aliases":["EUVD-2021-2233","GHSA-mx3x-ghqm-r43h"],"status":"published","title":"Prototype pollution vulnerability in 'predefine'","description":"Prototype pollution vulnerability in 'predefine' versions 0.0.0 through 0.1.2 allows an attacker to cause a denial of service and may lead to remote code execution.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-11","score":0.03071,"percentile":0.87817,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1333"],"published":"2020-12-29T17:10:49Z","modified":"2026-10-20T10:53:04Z","fixes":[{"ecosystem":"npm","package":"predefine","fixed_in":["0.1.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"predefine","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.3"}]}]},{"source":"osv","ecosystem":"npm","package":"predefine","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.1.3"}]}]}],"products":[{"vendor":"predefine_project","product":"predefine"}],"references":[{"url":"https://github.com/bigpipe/predefine/blob/238137e3d1b8288ff5d7529c3cbcdd371888c26b/index.js#L284","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://www.whitesourcesoftware.com/vulnerability-database/CVE-2020-28280","tags":["x_refsource_CONFIRM","x_transferred","Broken Link","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28280","tags":["advisory"]},{"url":"https://github.com/bigpipe/predefine/commit/1a86a013c0b37c9d6ca078ba34017052af38b7fc","tags":["web"]},{"url":"https://github.com/advisories/GHSA-mx3x-ghqm-r43h"},{"url":"https://github.com/bigpipe/predefine","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-28280","description":"Prototype pollution vulnerability in 'predefine' versions 0.0.0 through 0.1.2 allows an attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2020-12-29T17:10:49Z","modified":"2024-08-04T16:33:58.421Z","updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2021-2233","description":"Prototype pollution vulnerability in 'predefine' versions 0.0.0 through 0.1.2 allows an attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2020-12-29T17:10:49Z","modified":"2024-08-04T16:33:58Z","updated_at":"2026-11-03T03:07:10.123634Z"}],"ghsa":[{"id":"GHSA-mx3x-ghqm-r43h","title":"Prototype pollution vulnerability in 'predefine'","description":"Prototype pollution vulnerability in 'predefine' versions 0.0.0 through 0.1.2 allows an attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2021-10-12T16:27:18Z","modified":"2023-02-01T05:06:09Z","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-1333"],"updated_at":"2026-11-02T14:36:37.441118Z"}],"nvd":[{"id":"CVE-2020-28280","description":"Prototype pollution vulnerability in 'predefine' versions 0.0.0 through 0.1.2 allows an attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2020-12-29T18:15:12.743Z","modified":"2026-06-17T03:10:16.27Z","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","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"}],"updated_at":"2026-11-02T14:06:28.340168Z"}],"osv":[{"id":"CVE-2020-28280","description":"Prototype pollution vulnerability in 'predefine' versions 0.0.0 through 0.1.2 allows an attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2020-12-29T18:15:12.743Z","modified":"2026-10-20T10:53:04.107571404Z","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":"2026-11-02T15:44:16.248747Z"},{"id":"GHSA-mx3x-ghqm-r43h","title":"Prototype pollution vulnerability in 'predefine'","description":"Prototype pollution vulnerability in 'predefine' versions 0.0.0 through 0.1.2 allows an attacker to cause a denial of service and may lead to remote code execution.","status":"published","published":"2021-10-12T16:27:18Z","modified":"2023-11-08T04:03:24.82907Z","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-1333"],"updated_at":"2026-11-02T15:46:52.534897Z"}]}}