# CVE-2021-3129: Laravel Ignition File Upload Vulnerability

> CVE-2021-3129: Laravel Ignition File Upload Vulnerability. CVSS 9.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2021-3129
Last updated: 2025-10-21T23:35:30Z

- Published: 2021-01-12 14:07 UTC · Updated: 2025-10-21 23:35 UTC · Assigner: mitre
- CVSS: 9.8 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 99.9%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2023-09-18, federal due date 2023-10-09, ransomware use: Known

## 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.

## CISA required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

## Affected vendors and products

- Laravel: Ignition

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2021-3129)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2021-3129)
- [http://packetstormsecurity.com/files/162094/Ignition-2.5.1-Remote-Code-Execution.html](http://packetstormsecurity.com/files/162094/Ignition-2.5.1-Remote-Code-Execution.html)
- [http://packetstormsecurity.com/files/165999/Ignition-Remote-Code-Execution.html](http://packetstormsecurity.com/files/165999/Ignition-Remote-Code-Execution.html)
- [https://github.com/facade/ignition/pull/334](https://github.com/facade/ignition/pull/334)
- [https://www.ambionics.io/blog/laravel-debug-rce](https://www.ambionics.io/blog/laravel-debug-rce)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2021-3129 · Markdown: https://rewindex.com/cve/CVE-2021-3129.md · JSON: https://rewindex.com/api/v1/cves/CVE-2021-3129 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:06:17.298Z