Arbitrary file upload in Laravel Framework
CVE-2021-43617
Laravel Framework through 8.70.2 does not sufficiently block the upload of executable PHP content because Illuminate/Validation/Concerns/ValidatesAttributes.php lacks a check for .phar files, which are handled as application/x-httpd-php on…
Vulnerability class: Unrestricted File Upload
EPSS: 0.198 (97.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Laravel Framework
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-43617?
- CVE-2021-43617 is a critical-severity vulnerability in Laravel Framework, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2021-11-14.
- How severe is CVE-2021-43617?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-43617 known to be exploited?
- 15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.