{"id":"CVE-2020-28503","aliases":["EUVD-2022-0525","GHSA-897m-rjf5-jp39"],"status":"published","title":"Prototype Pollution","description":"The package copy-props before 2.0.5 are vulnerable to Prototype Pollution via the main functionality.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01697,"percentile":0.77324,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321"],"published":"2021-03-23T10:00:18Z","modified":"2026-10-20T10:53:05Z","fixes":[{"ecosystem":"npm","package":"copy-props","fixed_in":["2.0.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"copy-props","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.5"}]}]},{"source":"osv","ecosystem":"npm","package":"copy-props","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.0.5"}]}]}],"products":[{"vendor":"gulpjs","product":"copy-props"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-COPYPROPS-1082870","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1088047","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://github.com/gulpjs/copy-props/pull/7","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28503","tags":["advisory"]},{"url":"https://github.com/gulpjs/copy-props/commit/2c738f5c52cfb384b43d977a56a3ab7ce465df9b","tags":["web"]},{"url":"https://github.com/advisories/GHSA-897m-rjf5-jp39"}],"sources":{"cve":[{"id":"CVE-2020-28503","title":"Prototype Pollution","description":"The package copy-props before 2.0.5 are vulnerable to Prototype Pollution via the main functionality.","status":"published","published":"2021-03-23T10:00:18.136Z","modified":"2024-09-17T03:08:12.852Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2022-0525","description":"The package copy-props before 2.0.5 are vulnerable to Prototype Pollution via the main functionality.","status":"published","published":"2021-03-23T10:00:18Z","modified":"2024-09-17T03:08:12Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O","level":"high"}],"updated_at":"2026-11-03T00:28:34.268174Z"}],"ghsa":[{"id":"GHSA-897m-rjf5-jp39","title":"Prototype Pollution in copy-props","description":"The package copy-props before 2.0.5 are vulnerable to Prototype Pollution via the main functionality.","status":"published","published":"2022-01-06T20:35:05Z","modified":"2023-02-01T05:05:20Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:36:33.613868Z"}],"nvd":[{"id":"CVE-2020-28503","description":"The package copy-props before 2.0.5 are vulnerable to Prototype Pollution via the main functionality.","status":"published","published":"2021-03-23T10:15:13.27Z","modified":"2026-06-17T03:10:33.16Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","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"}],"updated_at":"2026-11-02T14:06:37.687844Z"}],"osv":[{"id":"CVE-2020-28503","description":"The package copy-props before 2.0.5 are vulnerable to Prototype Pollution via the main functionality.","status":"published","published":"2021-03-23T10:15:13.27Z","modified":"2026-10-20T10:53:05.551369591Z","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-897m-rjf5-jp39","title":"Prototype Pollution in copy-props","description":"The package copy-props before 2.0.5 are vulnerable to Prototype Pollution via the main functionality.","status":"published","published":"2022-01-06T20:35:05Z","modified":"2025-01-14T08:56:52.572897Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:42.077781Z"}]}}