CVE-2021-41559
MEDIUMCVSS 6.5/10EPSS 0.98%
Last modified
CVE-2021-41559 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Silverstripe silverstripe/framework 4.8.1 has a quadratic blowup in Convert::xml2array() that enables a remote attack via a crafted XML document.. EPSS estimates a 0.98% chance of exploitation in the next 30 days.
Description
Silverstripe silverstripe/framework 4.8.1 has a quadratic blowup in Convert::xml2array() that enables a remote attack via a crafted XML document.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Silverstripe | Silverstripe | < 4.10.9 |
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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-41559?
CVE-2021-41559 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.98% probability of exploitation in the next 30 days.
How do I fix CVE-2021-41559?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-41559?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST