{"cve":"CVE-2021-41559","nvd":{"published":"2022-06-28T22:15:07.870","modified":"2026-06-17T04:08:38.910","status":"Modified","description":"Silverstripe silverstripe/framework 4.8.1 has a quadratic blowup in Convert::xml2array() that enables a remote attack via a crafted XML document.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-776"],"references":["https://github.com/silverstripe/silverstripe-framework/releases","https://www.silverstripe.org/download/security-releases/","https://www.silverstripe.org/download/security-releases/cve-2021-41559","https://github.com/silverstripe/silverstripe-framework/releases","https://www.silverstripe.org/download/security-releases/"],"products":["silverstripe:silverstripe"],"source":"nvd","synced_at":"2026-10-19T21:32:39.174919249+00:00"},"epss":{"cve":"CVE-2021-41559","score":0.01087,"percentile":0.65301,"date":"2026-11-01"},"kev":null,"osv":[],"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."]}