CVE-2021-3129 KEV EXPLOIT
9.8
CRITICAL · CVSS 3.1 · EPSS 99.9% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2023-10-09.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 99.94% — more likely to be exploited than 100% of all CVEs |
| On CISA KEV | yes — remediate by 2023-10-09 |
| Public exploit | yes |
| Published | 2021-01-12 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Laravel Ignition File Upload Vulnerability |
|---|---|
| Added | 2023-09-18 |
| Due | 2023-10-09 |
| Vendor / product | Laravel / Ignition |
| Ransomware use | known |
Affected (2)
| Vendor | Product |
|---|---|
| facade | ignition |
| laravel | laravel |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Laravel 8.4.2 debug mode - Remote code execution | 2021-01-14 |
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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