CVE-2021-3129VulnerabilityPublished 09/18/2023Updated 10/24/2026
CVE-2021-3129: Laravel Ignition File Upload Vulnerability
Affects Laravel IgnitionSource CISA KEV
Severity
HighNo CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 09/18/2023
- KEV deadline
- 10/09/2023
- Ransomware
- Used in ransomware campaigns
- EPSS
- 99.9% chance of exploitation in 30 days – higher than 99% of CVEs
What to do
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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().