{"cve":"CVE-2021-23444","nvd":{"published":"2021-09-21T17:15:09.390","modified":"2026-06-17T03:38:46.423","status":"Modified","description":"This affects the package jointjs before 3.4.2. A type confusion vulnerability can lead to a bypass of CVE-2020-28480 when the user-provided keys used in the path parameter are arrays in the setByPath function.","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-843"],"references":["https://github.com/clientIO/joint/commit/e5bf89efef6d5ea572d66870ffd86560de7830a8","https://github.com/clientIO/joint/pull/1514","https://github.com/clientIO/joint/releases/tag/v3.4.2","https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1655817","https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1655816"],"products":["client:jointjs"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-23444","score":0.0186,"percentile":0.79239,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-f3pp-32qc-36w4","url":"https://osv.dev/vulnerability/GHSA-f3pp-32qc-36w4","summary":"Prototype Pollution in jointjs","modified":"2025-01-14T09:12:13.266436Z","packages":[{"ecosystem":"npm","name":"jointjs","purl":"pkg:npm/jointjs","ranges":["<3.4.2"],"fixed":["3.4.2"]}]}],"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."]}