CVE-2021-3129

Laravel Ignition — Laravel Ignition File Upload Vulnerability
🔥 CVSS 3.1  9.8 / 10 — CRITICAL 🔴 CISA Known Exploited Vulnerability

Overview

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().

https://github.com/facade/ignition/releases/tag/2.5.2; https://nvd.nist.gov/vuln/detail/CVE-2021-3129

Key Details

PropertyValue
CVE ID CVE-2021-3129
Vendor / Product Laravel — Ignition
NVD Published2021-01-12
NVD Last Modified2025-11-10
CVSS 3.1 Score9.8
CVSS 3.1 VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SeverityCRITICAL
CISA KEV Added2023-09-18
CISA KEV Deadline2023-10-09
Known Ransomware Use ⚠️ Yes

CVSS 3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Required Action

CISA BOD 22-01 Deadline: 2023-10-09. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Timeline

DateEvent
2023-09-18Added to CISA Known Exploited Vulnerabilities catalog
2023-10-09CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2021-3129 Vulnerability Database
CISA KEV Catalog Entry US Government