CVE-2020-11476
HIGHCVSS 7.2/10EPSS 2.94%
Last modified
CVE-2020-11476 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. Concrete5 before 8.5.3 allows Unrestricted Upload of File with Dangerous Type such as a .phar file.. EPSS estimates a 2.94% chance of exploitation in the next 30 days.
Description
Concrete5 before 8.5.3 allows Unrestricted Upload of File with Dangerous Type such as a .phar file.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Concretecms | Concrete Cms | < 8.5.3 |
References
- https://github.com/concrete5/concrete5/pull/8713Patch, Third Party Advisory
- https://github.com/concrete5/concrete5/releases/tag/8.5.3Release Notes, Third Party Advisory
- https://herolab.usd.de/security-advisories/Third Party Advisory
- https://herolab.usd.de/security-advisories/usd-2020-0041/Exploit, Third Party Advisory
- https://github.com/concrete5/concrete5/pull/8713Patch, Third Party Advisory
- https://github.com/concrete5/concrete5/releases/tag/8.5.3Release Notes, Third Party Advisory
- https://herolab.usd.de/security-advisories/Third Party Advisory
- https://herolab.usd.de/security-advisories/usd-2020-0041/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-11476?
Concrete5 before 8.5.3 allows Unrestricted Upload of File with Dangerous Type such as a .phar file.
How severe is CVE-2020-11476?
CVE-2020-11476 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 2.94% probability of exploitation in the next 30 days.
How do I fix CVE-2020-11476?
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-2020-11476?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST