{"id":"CVE-2020-28283","aliases":["GHSA-3r9x-mjrm-2725"],"url":"https://o3.security/vulnerability/CVE-2020-28283","summary":"Prototype pollution vulnerability in 'libnested'","details":"Prototype pollution vulnerability in 'libnested' versions 0.0.0 through 1.5.0 allows an attacker to cause a denial of service and may lead to remote code execution.","published":"2020-12-29T18:15:12.933Z","modified":"2026-07-08T20:43:25.396792Z","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":1,"affectedPackages":[{"ecosystem":"npm","name":"libnested","fixedVersion":null}],"fix":null,"references":[{"type":"WEB","url":"https://www.whitesourcesoftware.com/vulnerability-database/CVE-2020-28284"},{"type":"EVIDENCE","url":"https://github.com/dominictarr/libnested/blob/d028a1b0f2e5f16fc28e568f52b936ae0bca0647/index.js#L27"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T20:43:25.396792Z"}}