CVE-2021-3129

Known Exploited Public Exploit

Description

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.

9.8

CVSS

Severity: Critical

CVSS 3.1 •

CVSS 2.0 •

EPSS 94.29% Top 5%

KEV Since

Third-Party Advisory packetstormsecurity.com Third-Party Advisory packetstormsecurity.com Third-Party Advisory github.com Third-Party Advisory ambionics.io

Affected: n/a n/a

References

Link	Tags
https://www.ambionics.io/blog/laravel-debug-rce	third party advisory exploit
https://github.com/facade/ignition/pull/334	third party advisory patch
http://packetstormsecurity.com/files/162094/Ignition-2.5.1-Remote-Code-Execution.html	exploit vdb entry third party advisory
http://packetstormsecurity.com/files/165999/Ignition-Remote-Code-Execution.html	exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-3129?: CVE-2021-3129 has been scored as a critical severity vulnerability.
How to fix CVE-2021-3129?: To fix CVE-2021-3129, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3129 being actively exploited in the wild?: It is confirmed that CVE-2021-3129 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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