{"id":"CVE-2020-28471","aliases":["GHSA-jxvf-m3x5-mxwq"],"url":"https://o3.security/vulnerability/CVE-2020-28471","summary":"Properties-Reader before v2.2.0 vulnerable to prototype pollution","details":"This affects the package properties-reader before 2.2.0.","published":"2022-07-25T14:15:09.927Z","modified":"2026-07-08T20:43:34.884404Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":2,"affectedPackages":[{"ecosystem":"npm","name":"properties-reader","fixedVersion":"2.2.0"}],"fix":{"url":"https://github.com/steveukx/properties/commit/0877cc871db9865f58dd9389ce99e61be05380a5","label":"steveukx/properties@0877cc8"},"references":[{"type":"REPORT","url":"https://github.com/steveukx/properties/issues/40"},{"type":"FIX","url":"https://github.com/steveukx/properties/commit/0877cc871db9865f58dd9389ce99e61be05380a5"},{"type":"EVIDENCE","url":"https://security.snyk.io/vuln/SNYK-JS-PROPERTIESREADER-1048968"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T20:43:34.884404Z"}}