Is CVE-2021-3129 actively exploited?

Yes. CVE-2021-3129 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-3129 be exploited remotely?

The attack vector of CVE-2021-3129 has not been classified yet.

What is the CVSS score of CVE-2021-3129?

CVE-2021-3129 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-3129

HIGHCISA KEVIN THE WILD

CVE-2021-3129

Published: September 18, 2023

EPSS:94.29%probability of exploitation in 30 daysPercentile:99.9th

Official 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().

NVD Source

CISA KEV Advisory

Laravel Ignition File Upload Vulnerability

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().

Added to KEV: 2023-09-18Federal patch deadline: 2023-10-09⚠ USED IN RANSOMWARE CAMPAIGNS

Required Action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Risk Analysis

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(). The high EPSS score of 0.94287 indicates a very high likelihood of exploitation, making this an urgent security concern.

This vulnerability is actively exploited in the wild and is included in CISA's KEV catalog. It is remotely exploitable without authentication.

Recommended Action

Apply all available security updates and patches for Laravel Ignition. Ensure secure file handling practices are implemented, including strict validation of uploaded files and their contents.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-3129 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2021-3129 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.