VulnerabilityModified
CVE-2021-41559
Silverstripe silverstripe/framework 4.8.1 has a quadratic blowup in Convert::xml2array() that enables a remote attack via a crafted XML document.
MEDIUM 6.5EPSS 1.06%
Does this matter?
Lower severity and a low EPSS score (1.06%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 1.06% probability · 64th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-776
- Affected
- silverstripe/silverstripe
- Source
- cve@mitre.org
EPSS 1.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/silverstripe/silverstripe-framework/releasesRelease Notes, Vendor Advisory
- https://www.silverstripe.org/download/security-releases/Not Applicable, Vendor Advisory
- https://www.silverstripe.org/download/security-releases/cve-2021-41559Release Notes, Vendor Advisory
- https://github.com/silverstripe/silverstripe-framework/releasesRelease Notes, Vendor Advisory
- https://www.silverstripe.org/download/security-releases/Not Applicable, Vendor Advisory
- https://www.silverstripe.org/download/security-releases/cve-2021-41559Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.