{"cve":"CVE-2021-25943","nvd":{"published":"2021-05-14T14:15:07.847","modified":"2026-06-17T03:42:39.080","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-1321"],"references":["https://github.com/tjmehta/101/blob/d87f63ce2a4cbdc476e8287abd78327c3144d646/set.js#L52","https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25943","https://github.com/tjmehta/101/blob/d87f63ce2a4cbdc476e8287abd78327c3144d646/set.js#L52","https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25943"],"products":["101_project:101"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2021-25943","score":0.03299,"percentile":0.8852,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-cwcx-rxgc-cmw3","url":"https://osv.dev/vulnerability/GHSA-cwcx-rxgc-cmw3","summary":"Prototype pollution in 101","modified":"2025-05-01T00:21:05Z","packages":[{"ecosystem":"npm","name":"101","purl":"pkg:npm/101","ranges":[">=1.0.0 <=1.6.3"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}