Laravel Ignition File Upload Vulnerability (CVE-2021-3129)
Severity: critical · Patch status: patched · Since 2023-09-18 · CVE-2021-3129
Laravel Ignition contains a file upload vulnerability that allows unauthenticated remote attackers to execute malicious code due to insecure usage of filegetcontents() and fileputcontents(). CISA added CVE-2021-3129 to its Known Exploited Vulnerabilities catalog on Sep 18, 2023, which means attackers are exploiting it in the wild. CISA reports known use in ransomware campaigns.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Oct 9, 2023 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
