KEV Intelligence

Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2021-3129

Ignition

Facade / Ignition

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Severity
CVSS 9.8 · Critical
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
99.9%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2021-3129 is an unauthenticated vulnerability affecting Facade Ignition. Ignition before 2.5.2, as used in Laravel and other products, allows unauthenticated remote attackers to execute arbitrary code because of...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Facade / Ignition.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Ignition

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.

Published
12 Jan 2021
Exploitation Reported
18 Sep 2023
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

malware nuclei_scanner ransomware metasploit cisa

CVE References

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 18 Sep 2023

Independent exploitation attestation added to the KEV Intelligence record.

Used in malware

CISA

Recorded 18 Sep 2023

Malware families have been linked to exploitation of this CVE.

Proof of concept available

GitHub

Recorded 22 Jan 2021

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source Added
CISA First 2023-09-18 00:00 UTC
The Shadowserver 2026-05-31 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
0
User-Agents
0

Raw values available in Pro and Enterprise.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Metasploit https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/php/ignition_laravel_debug_rce.rb 28 Apr 2025
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-3129.yaml 25 Apr 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

99.9%

All CVSS Scores

CVSS v3.1 9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 7.5 High

AV:N/AC:L/Au:N/C:P/I:P/A:P

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

joshuavanderpoll/CVE-2021-3129

github · Created 2022-04-16 17:22:55 UTC · 104 stars · AI assessment 90%

Laravel RCE Exploit Script - CVE-2021-3129

zhzyker/CVE-2021-3129

github · Created 2021-02-18 05:42:13 UTC · 153 stars · AI assessment 90%

Laravel <= v8.4.2 debug mode: Remote code execution (CVE-2021-3129)

nth347/CVE-2021-3129_exploit

github · Created 2021-01-27 10:16:35 UTC · 65 stars · AI assessment 90%

Exploit for CVE-2021-3129

SecPros-Team/laravel-CVE-2021-3129-EXP

github · Created 2021-01-25 08:42:28 UTC · 72 stars · AI assessment 90%

SNCKER/CVE-2021-3129

github · Created 2021-01-22 05:12:21 UTC · 127 stars · AI assessment 90%

Laravel debug rce

Laravel with Ignition <= v8.4.2 Debug Mode - Remote Code Execution

nuclei · Created Unknown

ignition_laravel_debug_rce

metasploit · Created Unknown

Metasploit module for CVE-2021-3129

Timeline

From disclosure to observed exploitation

  1. KEV confirmed by The Shadowserver

    Exploitation attested by an external source

  2. Metasploit module available

    Exploit module available

  3. Nuclei template available

    Scanner coverage available

  4. Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  5. First public exploitation report

    Exploit observed in malware

  6. Public PoC available

    Public proof-of-concept code published

  7. CVE published

    Vulnerability disclosed publicly

  8. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2021-3129

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2021-3129",
  "confidence": "Confirmed",
  "cvss_score": 9.8,
  "cvss_estimated": false,
  "epss_score": 0.99943,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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