VULNERABILITY INTELLIGENCE

CVE-2021-41559

CVSS score6.5 MEDIUM
EPSS probability1.09%
CISA KEVNot currently listed
Published2022-06-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Description

Silverstripe silverstripe/framework 4.8.1 has a quadratic blowup in Convert::xml2array() that enables a remote attack via a crafted XML document.

Weakness classification

  • CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

Primary references