{"id":"CVE-2021-25943","aliases":["GHSA-cwcx-rxgc-cmw3"],"url":"https://o3.security/vulnerability/CVE-2021-25943","summary":"Prototype pollution in 101","details":"Prototype pollution vulnerability in '101' versions 1.0.0 through 1.6.3 allows an attacker to cause a denial of service and may lead to remote code execution.","published":"2021-05-14T14:15:07.847Z","modified":"2026-07-08T21:27:10.969679Z","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":null,"affectedPackages":[{"ecosystem":"npm","name":"101","fixedVersion":null}],"fix":null,"references":[{"type":"EVIDENCE","url":"https://github.com/tjmehta/101/blob/d87f63ce2a4cbdc476e8287abd78327c3144d646/set.js#L52"},{"type":"EVIDENCE","url":"https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25943"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T21:27:10.969679Z"}}