CVE-2021-3129

Confirmed PUBLISHED

Ignition before 2.5.2, as used in Laravel and other products, allows unauthenticated remote attackers to execute arbitrary code because of insecure...

Facade · Ignition

Exploited in the wild Used in malware PoC available

Recommended Action

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

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Confidence

Confirmed

Exploitation Status

Exploited in the wild

Observed in Sensors

Attempts (30d)

—

Unique Attacker IPs

—

CISA KEV

In CISA KEV

CVSS / EPSS

9.8 Critical EPSS 99.9%

At a Glance

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.

malware nuclei_scanner ransomware metasploit cisa

CVE Published: Jan 12, 2021
Exploitation Reported: Sep 18, 2023
CVSS: 9.8 Critical
EPSS: 99.9%

Remote Low complexity No user interaction Unauthenticated

Affected Versions

Vendor	Product	Version	Status
n/a	n/a	n/a	Affected

CVE References

ambionics.io/blog/laravel-debug-rce ambionics.io · CVE Record https://www.ambionics.io/blog/laravel-debug-rce
GitHub — facade/ignition github.com · CVE Record https://github.com/facade/ignition/pull/334
packetstormsecurity.com/files/162094/Ignition-2.5.1-Remote-Code-Exec... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/162094/Ignition-2.5.1-Remote-Cod...
packetstormsecurity.com/files/165999/Ignition-Remote-Code-Execution.... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/165999/Ignition-Remote-Code-Exec...

Recommended Actions

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.

Known Exploited Vulnerability Sources

Catalogues that list this CVE as a known exploited vulnerability.

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

Learn about Pro API access

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

Scanner Artifacts

Nuclei and Metasploit references linked to this CVE.

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

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

Exploitation Status

Exploited in the wild

Recorded 2023-09-18 00:00:00 UTC · CISA

Used in malware

Recorded 2023-09-18 00:00:00 UTC · CISA

Proof of concept available

Recorded 2021-01-22 05:12:21 UTC · GitHub

Scanner Integrations

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

Potential Proof of Concepts

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

0x0d3ad/CVE-2021-3129

github · Created 2024-09-29 05:09:41 UTC · 4 stars

CVE-2021-3129 (Laravel Ignition RCE Exploit)

Axianke/CVE-2021-3129

github · Created 2024-01-15 07:12:07 UTC · 5 stars

CVE-2021-3129

wmasday/CVE-2021-3129

github · Created 2023-07-27 12:14:01 UTC · 2 stars

CVE-2021-3129 | Laravel Debug Mode Vulnerability

ajisai-babu/CVE-2021-3129-exp

github · Created 2023-03-04 17:04:38 UTC · 6 stars

Laravel Debug mode RCE漏洞（CVE-2021-3129）poc / exp

0nion1/CVE-2021-3129

github · Created 2022-10-11 08:53:05 UTC · 6 stars

CVE-2021-3129-Laravel Debug mode

shadowabi/Laravel-CVE-2021-3129

github · Created 2022-06-04 10:58:47 UTC · 5 stars

CVE-2021-3129 POC

joshuavanderpoll/CVE-2021-3129

github · Created 2022-04-16 17:22:55 UTC · 104 stars

Laravel RCE Exploit Script - CVE-2021-3129

cuongtop4598/CVE-2021-3129-Script

github · Created 2022-04-08 06:34:17 UTC · 8 stars

Add revert shell

knqyf263/CVE-2021-3129

github · Created 2021-10-01 09:09:38 UTC · 13 stars

PoC for CVE-2021-3129 (Laravel)

idea-oss/laravel-CVE-2021-3129-EXP

github · Created 2021-07-22 07:35:04 UTC · 1 stars

Y0s9/CVE-2021-3129

github · Created 2021-04-11 05:47:43 UTC · 0 stars

CVE-2021-3129-Laravel Debug mode 远程代码执行漏洞

zhzyker/CVE-2021-3129

github · Created 2021-02-18 05:42:13 UTC · 153 stars

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

FunPhishing/Laravel-8.4.2-rce-CVE-2021-3129

github · Created 2021-02-14 09:24:07 UTC · 2 stars

nth347/CVE-2021-3129_exploit

github · Created 2021-01-27 10:16:35 UTC · 65 stars

Exploit for CVE-2021-3129

crisprss/Laravel_CVE-2021-3129_EXP

github · Created 2021-01-27 05:44:52 UTC · 17 stars

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

github · Created 2021-01-25 08:42:28 UTC · 72 stars

SNCKER/CVE-2021-3129

github · Created 2021-01-22 05:12:21 UTC · 127 stars

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

Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.

31 May 2026 00:00 UTC about 2 months ago

31 May 2026 00:00 UTC · about 2 months ago

KEV confirmed by The Shadowserver

Exploitation attested by an external source
28 Apr 2025 15:02 UTC about 1 year ago

28 Apr 2025 15:02 UTC · about 1 year ago

Metasploit module available

Exploit module available
25 Apr 2025 00:00 UTC about 1 year ago

25 Apr 2025 00:00 UTC · about 1 year ago

Nuclei template available

Scanner coverage available
18 Sep 2023 00:00 UTC almost 3 years ago

18 Sep 2023 00:00 UTC · almost 3 years ago

Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
18 Sep 2023 00:00 UTC almost 3 years ago

18 Sep 2023 00:00 UTC · almost 3 years ago

First public exploitation report

Exploit observed in malware
22 Jan 2021 05:12 UTC over 5 years ago

22 Jan 2021 05:12 UTC · over 5 years ago

Public PoC available

Public proof-of-concept code published
12 Jan 2021 14:07 UTC over 5 years ago

12 Jan 2021 14:07 UTC · over 5 years ago

CVE published

Vulnerability disclosed publicly
12 Jan 2021 00:00 UTC over 5 years ago

12 Jan 2021 00:00 UTC · over 5 years ago

CVE ID reserved

Identifier reserved by the CNA

Automate This Intelligence with the Pro API

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

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Pro API Example

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

{
  "cve_id": "CVE-2021-3129",
  "title": "Ignition before 2.5.2, as used in Laravel and other products, allows unauthen...",
  "affected_vendor": "Facade",
  "affected_product": "Ignition",
  "affected_versions": [
    { "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
  ],
  "confidence": "Confirmed",
  "cvss_score": 9.8,
  "epss_score": 0.99943,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "...": "Pro API fields" },
  "proof_of_concepts": [ "..." ],
  "scanner_integrations": [ "..." ]
}

The free JSON API returns basic KEV fields only. Confidence, telemetry, and artifact enrichment require Pro API access.

CVE-2021-3129

At a Glance

Affected Versions

CVE References

Recommended Actions

Known Exploited Vulnerability Sources

Scanner Artifacts

Virtual Patch

CVSS Scores

Exploitation Status

Scanner Integrations

Potential Proof of Concepts

Timeline

Automate This Intelligence with the Pro API