CVE-2021-46433
CRITICALCVSS 10/10EPSS 1.08%
Last modified
CVE-2021-46433 is a critical-severity vulnerability rated 10/10 on the CVSS scale. In fenom 2.12.1 and before, there is a way in fenom/src/Fenom/Template.php function getTemplateCode()to bypass sandbox to execute arbitrary PHP code when disable_native_funcs is true.. EPSS estimates a 1.08% chance of exploitation in the next 30 days.
Description
In fenom 2.12.1 and before, there is a way in fenom/src/Fenom/Template.php function getTemplateCode()to bypass sandbox to execute arbitrary PHP code when disable_native_funcs is true.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fenom Project | Fenom | <= 2.12.1 |
References
- https://github.com/fenom-template/fenom/issues/331Issue Tracking, Third Party Advisory
- https://github.com/fenom-template/fenom/issues/331Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-46433?
In fenom 2.12.1 and before, there is a way in fenom/src/Fenom/Template.php function getTemplateCode()to bypass sandbox to execute arbitrary PHP code when disable_native_funcs is true.
How severe is CVE-2021-46433?
CVE-2021-46433 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.
How do I fix CVE-2021-46433?
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-2021-46433?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST