{"cve":"CVE-2021-3820","nvd":{"published":"2021-09-27T13:15:07.887","modified":"2026-06-17T04:05:50.110","status":"Modified","description":"inflect is vulnerable to Inefficient Regular Expression Complexity","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-1333"],"references":["https://github.com/pksunkara/inflect/commit/a9a0a8e9561c3487854c7cae42565d9652ec858b","https://huntr.dev/bounties/4612b31a-072b-4f61-a916-c7e4cbc2042a","https://github.com/pksunkara/inflect/commit/a9a0a8e9561c3487854c7cae42565d9652ec858b","https://huntr.dev/bounties/4612b31a-072b-4f61-a916-c7e4cbc2042a"],"products":["inflect_project:inflect"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-3820","score":0.01222,"percentile":0.68728,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-x55w-vjjp-222r","url":"https://osv.dev/vulnerability/GHSA-x55w-vjjp-222r","summary":"inflect vulnerable to Inefficient Regular Expression Complexity","modified":"2023-11-08T04:06:26.408707Z","packages":[{"ecosystem":"npm","name":"i","purl":"pkg:npm/i","ranges":["<0.3.7"],"fixed":["0.3.7"]}]}],"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."]}