CVE-2020-5203 json
Fat-Free Framework arbitrary code execution
published 2020-03-11 6 y ago modified 2026-06-17 4 mo ago also GHSA-hpj2-4hfj-g233 , EUVD-2022-4185
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
2.14% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | bcosca/fatfree | <3.7.2 |
3.7.2 |
Classification
References
-
github.com
/bcosca/fatfree-core/commit/dae95a0baf3963a9ef87c17cee52f78f77e21829
web, patch, third-party-advisory
-
github.com
/bcosca/fatfree/releases
web, release-notes, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-5203
advisory
-
github.com
/bcosca/fatfree
package
Sources
- CVE List CVE-2020-5203
- GitHub Advisory GHSA-hpj2-4hfj-g233
- NVD CVE-2020-5203
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.