September 18, 2023 · Applied Cybernetics Group
CVE-2021-3129 — Laravel Ignition
known ransomware use
Laravel Ignition File Upload Vulnerability
- Added to KEV
2023-09-18- Federal due date
2023-10-09- Vendor
- Laravel
- Product
- Ignition
- EPSS
- 100.0th percentile (score 0.999, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- ATT&CK
- T1059 , T1190 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2021-3129
CISA short description
Laravel Ignition contains a file upload vulnerability that allows unauthenticated remote attackers to execute malicious code due to insecure usage of file_get_contents() and file_put_contents().
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.