CVE DATABASE / CVE-2021-3129
CVE-2021-3129
Laravel Ignition File Upload Vulnerability
Confirmed exploited in the wild. Added 2023-09-18.
Federal remediation due 2023-10-09.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Summary
Ignition before 2.5.2, as used in Laravel and other products, allows unauthenticated remote attackers to execute arbitrary code because of insecure usage of file_get_contents() and file_put_contents(). This is exploitable on sites using debug mode with Laravel before 8.4.2.
CVSS 3.1 breakdown
| 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 |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Affected products
Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.
References
- http://packetstormsecurity.com/files/162094/Ignition-2.5.1-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/165999/Ignition-Remote-Code-Execution.html
- https://github.com/facade/ignition/pull/334
- https://www.ambionics.io/blog/laravel-debug-rce
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3129
Data: NIST NVD + CISA KEV. NVD last modified 2025-11-10. Always verify against the vendor advisory before acting.