{"cve":"CVE-2020-28279","nvd":{"published":"2020-12-29T18:15:12.683","modified":"2026-06-17T03:10:16.150","status":"Modified","description":"Prototype pollution vulnerability in 'flattenizer' versions 0.0.5 through 1.0.5 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":[],"references":["https://github.com/sahellebusch/flattenizer/pull/13","https://www.whitesourcesoftware.com/vulnerability-database/CVE-2020-28279","https://github.com/sahellebusch/flattenizer/pull/13","https://www.whitesourcesoftware.com/vulnerability-database/CVE-2020-28279"],"products":["flattenizer_project:flattenizer"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-28279","score":0.03106,"percentile":0.87776,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-vq33-26pr-r4h6","url":"https://osv.dev/vulnerability/GHSA-vq33-26pr-r4h6","summary":"flattenizer vulnerable to prototype pollution","modified":"2024-04-01T22:27:14.930610Z","packages":[{"ecosystem":"npm","name":"flattenizer","purl":"pkg:npm/flattenizer","ranges":[">=0.0.5 <1.1.1"],"fixed":["1.1.1"]}]}],"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."]}