{"cve":"CVE-2021-4264","nvd":{"published":"2022-12-21T19:15:12.520","modified":"2026-06-17T04:19:22.887","status":"Modified","description":"A vulnerability was found in LinkedIn dustjs up to 2.x and classified as problematic. Affected by this issue is some unknown functionality. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 3.0.0 is able to address this issue. The name of the patch is ddb6523832465d38c9d80189e9de60519ac307c3. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216464.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-1321"],"references":["https://github.com/linkedin/dustjs/commit/ddb6523832465d38c9d80189e9de60519ac307c3","https://github.com/linkedin/dustjs/issues/804","https://github.com/linkedin/dustjs/pull/805","https://github.com/linkedin/dustjs/releases/tag/v3.0.0","https://vuldb.com/?ctiid.216464"],"products":["linkedin:dustjs"],"source":"nvd","synced_at":"2026-10-19T21:37:31.370122805+00:00"},"epss":{"cve":"CVE-2021-4264","score":0.01153,"percentile":0.66972,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-c6rp-wrp9-qr4q","url":"https://osv.dev/vulnerability/GHSA-c6rp-wrp9-qr4q","summary":"dustjs-linkedin vulnerable to Prototype Pollution","modified":"2023-11-08T04:07:07.132931Z","packages":[{"ecosystem":"npm","name":"dustjs-linkedin","purl":"pkg:npm/dustjs-linkedin","ranges":["<3.0.0"],"fixed":["3.0.0"]}]}],"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."]}