{"id":"CVE-2020-28471","aliases":["EUVD-2022-6369","GHSA-jxvf-m3x5-mxwq"],"status":"published","title":"Prototype Pollution","description":"This affects the package properties-reader before 2.2.0.","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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01453,"percentile":0.7364,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321"],"published":"2022-07-19T14:28:59Z","modified":"2026-10-20T10:54:19Z","fixes":[{"ecosystem":"npm","package":"properties-reader","fixed_in":["2.2.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"properties-reader","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.0"}]}]},{"source":"osv","ecosystem":"npm","package":"properties-reader","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.2.0"}]}]}],"products":[{"vendor":"properties-reader_project","product":"properties-reader"}],"references":[{"url":"https://security.snyk.io/vuln/SNYK-JS-PROPERTIESREADER-1048968","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://github.com/steveukx/properties/commit/0877cc871db9865f58dd9389ce99e61be05380a5","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/steveukx/properties/issues/40","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://github.com/steveukx/properties/commit/4e4bc392ecfd0a128f48c1d69f64a0d7194fcaab","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28471","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-jxvf-m3x5-mxwq"},{"url":"https://github.com/steveukx/properties","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-28471","title":"Prototype Pollution","description":"This affects the package properties-reader before 2.2.0.","status":"published","published":"2022-07-25T14:08:45.203Z","modified":"2024-09-16T23:21:59.677Z","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","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:57.352161Z"}],"euvd":[{"id":"EUVD-2022-6369","description":"This affects the package properties-reader before 2.2.0.","status":"published","published":"2022-07-25T14:08:45Z","modified":"2024-09-16T23:21:59Z","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","level":"high"}],"updated_at":"2026-11-03T00:54:54.099071Z"}],"ghsa":[{"id":"GHSA-jxvf-m3x5-mxwq","title":"Properties-Reader before v2.2.0 vulnerable to prototype pollution","description":"Properties-Reader prior to version 2.2.0 is vulnerable to prototype pollution. Version 2.2.0 contains a patch for this issue.","status":"published","published":"2022-07-19T14:28:59Z","modified":"2023-01-30T05:00:59Z","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":"2026-11-02T14:36:26.667347Z"}],"nvd":[{"id":"CVE-2020-28471","description":"This affects the package properties-reader before 2.2.0.","status":"published","published":"2022-07-25T14:15:09.927Z","modified":"2026-06-17T03:10:30.547Z","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"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:06:46.951463Z"}],"osv":[{"id":"CVE-2020-28471","description":"This affects the package properties-reader before 2.2.0.","status":"published","published":"2022-07-25T14:15:09.927Z","modified":"2026-10-20T10:54:19.665957379Z","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-jxvf-m3x5-mxwq","title":"Properties-Reader before v2.2.0 vulnerable to prototype pollution","description":"Properties-Reader prior to version 2.2.0 is vulnerable to prototype pollution. Version 2.2.0 contains a patch for this issue.","status":"published","published":"2022-07-19T14:28:59Z","modified":"2023-11-08T04:03:27.747394Z","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":"2026-11-02T15:46:51.10002Z"}]}}