CVE-2020-5203
CRITICALCVSS 9.8/10EPSS 2.14%
Last modified
CVE-2020-5203 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In Fat-Free Framework 3.7.1, attackers can achieve arbitrary code execution if developers choose to pass user controlled input (e.g., $_REQUEST, $_GET, or $_POST) to the framework's Clear method.. EPSS estimates a 2.14% chance of exploitation in the next 30 days.
Description
In Fat-Free Framework 3.7.1, attackers can achieve arbitrary code execution if developers choose to pass user controlled input (e.g., $_REQUEST, $_GET, or $_POST) to the framework's Clear method.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fatfreeframework | Fat-Free Framework | 3.7.1 |
References
- https://github.com/bcosca/fatfree-core/commit/dae95a0baf3963a9ef87c17cee52f78f77e21829Patch, Third Party Advisory
- https://github.com/bcosca/fatfree/releasesRelease Notes, Third Party Advisory
- https://github.com/bcosca/fatfree-core/commit/dae95a0baf3963a9ef87c17cee52f78f77e21829Patch, Third Party Advisory
- https://github.com/bcosca/fatfree/releasesRelease Notes, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-5203?
In Fat-Free Framework 3.7.1, attackers can achieve arbitrary code execution if developers choose to pass user controlled input (e.g., $_REQUEST, $_GET, or $_POST) to the framework's Clear method.
How severe is CVE-2020-5203?
CVE-2020-5203 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.14% probability of exploitation in the next 30 days.
How do I fix CVE-2020-5203?
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.
Related CVEs from 2020
- CVE-2020-5194The zip API endpoint in Cerberus FTP Server 8 allows an auth…5.4
- CVE-2020-5195Reflected XSS through an IMG element in Cerberus FTP Server …6.1
- CVE-2020-5196Cerberus FTP Server Enterprise Edition prior to versions 11.…8.1
- CVE-2020-5197An issue was discovered in GitLab Community Edition (CE) and…4.3
- CVE-2020-5200Minerbabe through V4.16 ships with SSH host keys baked into …5.9
- CVE-2020-5202apt-cacher-ng through 3.3 allows local users to obtain sensi…5.5
- CVE-2020-5204In uftpd before 2.11, there is a buffer overflow vulnerabili…8.8
- CVE-2020-5205In Pow (Hex package) before 1.0.16, the use of Plug.Session …5.4
- CVE-2020-5206In Opencast before 7.6 and 8.1, using a remember-me cookie w…10
- CVE-2020-5207In Ktor before 1.3.0, request smuggling is possible when run…7.5
- CVE-2020-5208It's been found that multiple functions in ipmitool before 1…8.8
- CVE-2020-5209In NetHack before 3.6.5, unknown options starting with -de a…7.8
Are you affected by CVE-2020-5203?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST