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critical·Product Based Web Vulnerabilities·Updated Dec 16, 2023

CVE-2021-3129 Scanner

CVE-2021-3129 scanner - Remote Code Execution (RCE) vulnerability in Ignition as used in Laravel and other products

Est. Time~15 seconds
Scan TypeSingle Scan
Targetsurl
CostFree
2.1k
Times Used
continuous scan runs
4.1k
Continuously Checked
assets under CS
1
Vulnerabilities Found
confirmed findings
References
🔴
CISA Known Exploited Vulnerability
This CVE is actively exploited in the wild. CISA mandates federal agencies to patch immediately.
CVECVE-2021-3129
9.8
CVSScritical
Exploitable remotely over the internet · no authentication required.

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.

Attack Vector
Network
Privileges Req.
None
User Interaction
None
Affected
n/aby n/a
n/a
Updated Aug 21, 2026View on NVD →
Detail

Ignition is an error page reporting package that provides comprehensive information about unhandled exceptions on Laravel and other products. The package is designed to make debugging easier and faster for developers, providing valuable insights into what went wrong whenever an error occurs. With Ignition, developers can easily diagnose and fix issues with their applications, leading to faster app development and improved user experience.

The CVE-2021-3129 vulnerability detected in Ignition poses a critical threat to affected applications. The vulnerability is a code injection flaw that enables unauthenticated remote attackers to execute arbitrary code on a target system. This exploit is made possible due to insecure usage of file_get_contents() and file_put_contents() functions. Attackers can exploit this vulnerability whenever debug mode is enabled with Laravel before version 8.4.2.

The exploit of this vulnerability can cause significant harm to affected applications. Attackers can use it to steal sensitive data, modify application behavior, or even take complete control of affected systems. This can lead to disastrous consequences for both businesses and users.

Thanks to the pro features of the s4e.io platform, those who read this article can easily and quickly learn about vulnerabilities in their digital assets. The platform provides comprehensive vulnerability scanning and testing services to help businesses and developers identify and fix security issues before they can be exploited. With the platform's advanced features, users can stay ahead of hackers and protect their digital assets from potential harm.

 

REFERENCES

Solution Advice

There are several precautions that can be taken to protect against the CVE-2021-3129 vulnerability. These include:

  • Updating Laravel and Ignition to the latest version to fix the vulnerability
  • Disabling debug mode on production systems
  • Limiting access to affected applications to only trusted users
  • Applying input validation and sanitization techniques to prevent code injection attacks
  • Employing strong access controls to restrict execution of risky code

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