What’s Vulnerable › Vulnerabilities

CVE-2021-3129: Laravel Ignition File Upload Vulnerability

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2023-09-18
• EPSS: 99.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-01-12 · updated 2026-06-17

Description

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.

Affected products

• Facade Ignition: before 2.5.2 — fixed in 2.5.2

How to fix

Upgrade to a fixed version: Facade Ignition 2.5.2. Check the vendor advisory for mitigations.

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
• 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

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