CVE-2021-3129

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-09-18), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, nvd
Exploited in the wild
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 100%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
100.0%
KEV
⚠ Exploited

Published

January 12, 2021

Last Modified

November 10, 2025

Advisory Details (4)

Auto-updated Jun 1, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa, github_pr.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3129
generic

Lexfo's security blog - Laravel <= v8.4.2 debug mode: Remote code execution

https://www.ambionics.io/blog/laravel-debug-rce
github_pr Patch Available

Fix MakeViewVariableOptionalSolution to disallow stream wrappers and files that do not end in .blade.php

Patch available: facade/ignition 2.9.0 (PR #334 merged 2020-11-17)

https://github.com/facade/ignition/pull/334
generic

Packet Storm

http://packetstormsecurity.com/files/165999/Ignition-Remote-Code-Execution.html

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFixed inDependents
facade/ignition1.0.0 ... 1.6.9 (41 versions)1.6.15—

Data Freshness Timeline

(refreshed 0× in last 7d / 0× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-12 14:27 UTCEG score recompute
  2. 2026-07-12 10:50 UTCEG score recompute
  3. 2026-07-12 07:13 UTCEG score recompute
  4. 2026-07-12 03:34 UTCEG score recompute
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  10. 2026-07-11 05:48 UTCEG score recompute
  11. 2026-07-11 02:11 UTCEG score recompute
  12. 2026-07-10 22:33 UTCEG score recompute
  13. 2026-07-10 18:55 UTCEG score recompute
  14. 2026-07-10 17:52 UTCCISA KEV update
  15. 2026-07-10 15:18 UTCEG score recompute
  16. 2026-07-10 11:40 UTCEG score recompute
  17. 2026-07-10 08:02 UTCEG score recompute
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  1. 2026-07-08 23:25 UTCEG score recompute
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  7. 2026-07-08 01:37 UTCEG score recompute
  8. 2026-07-07 22:00 UTCEG score recompute
  9. 2026-07-07 19:01 UTCCISA KEV update
  10. 2026-07-07 18:23 UTCEG score recompute
  11. 2026-07-07 17:16 UTCCISA KEV update
  12. 2026-07-07 14:46 UTCEG score recompute
  13. 2026-07-07 11:07 UTCEG score recompute
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  49. 2026-07-02 00:26 UTCEG score recompute
  50. 2026-07-01 20:48 UTCEG score recompute
  51. 2026-07-01 19:16 UTCCISA KEV update
  52. 2026-07-01 17:12 UTCEG score recompute
  53. 2026-07-01 13:34 UTCEG score recompute
  54. 2026-07-01 09:57 UTCEG score recompute
  55. 2026-07-01 06:20 UTCEG score recompute
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  57. 2026-06-30 23:06 UTCEG score recompute
  58. 2026-06-30 19:29 UTCEG score recompute
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  60. 2026-06-30 12:15 UTCEG score recompute
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  63. 2026-06-30 01:21 UTCEG score recompute
  64. 2026-06-29 21:44 UTCEG score recompute
  65. 2026-06-29 19:12 UTCCISA KEV update
  66. 2026-06-29 18:07 UTCEG score recompute
  67. 2026-06-29 14:26 UTCEG score recompute
  68. 2026-06-29 10:49 UTCEG score recompute
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  73. 2026-06-28 16:41 UTCEG score recompute
  74. 2026-06-28 13:03 UTCEG score recompute
  75. 2026-06-28 09:26 UTCEG score recompute

Publicly available exploits

(10 references)

Working exploit code is in the public domain (9 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoC0x0d3ad/CVE-2021-3129
    First seen Sep 29, 2024

    CVE-2021-3129 (Laravel Ignition RCE Exploit)

    Open source ↗
  • GitHub PoCajisai-babu/CVE-2021-3129-exp
    First seen Mar 4, 2023

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

    Open source ↗
  • GitHub PoCjoshuavanderpoll/CVE-2021-3129
    First seen Apr 16, 2022

    Laravel RCE Exploit PoC - CVE-2021-3129 (user-friendly with automatic log path detection)

    Open source ↗
  • GitHub PoCknqyf263/CVE-2021-3129
    First seen Oct 1, 2021

    PoC for CVE-2021-3129 (Laravel)

    Open source ↗
  • GitHub PoCzhzyker/CVE-2021-3129
    First seen Feb 18, 2021

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

    Open source ↗
  • GitHub PoCnth347/CVE-2021-3129_exploit
    First seen Jan 27, 2021

    Exploit for CVE-2021-3129

    Open source ↗
  • GitHub PoCcrisprss/Laravel_CVE-2021-3129_EXP
    First seen Jan 27, 2021
    Open source ↗
  • GitHub PoCSecPros-Team/laravel-CVE-2021-3129-EXP
    First seen Jan 25, 2021
    Open source ↗
  • GitHub PoCSNCKER/CVE-2021-3129
    First seen Jan 22, 2021

    Laravel debug rce

    Open source ↗
  • Exploit-DBEDB-49424
    First seen Jan 14, 2021

    Laravel 8.4.2 debug mode - Remote code execution

    Open source ↗

Frequently asked(6)

What is CVE-2021-3129?
CVE-2021-3129 is a critical vulnerability published on January 12, 2021. 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 filegetcontents() and fileputcontents(). This is exploitable on sites using debug mode with Laravel before 8.4.2.
When was CVE-2021-3129 disclosed?
CVE-2021-3129 was first published in the National Vulnerability Database on January 12, 2021, with the most recent update on November 10, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-3129 actively exploited?
Yes. CISA added CVE-2021-3129 to the Known Exploited Vulnerabilities catalog on September 18, 2023, affecting Laravel Ignition. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2021-3129?
CVE-2021-3129 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2021-3129?
CVE-2021-3129 affects Laravel Ignition. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2021-3129?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-3129, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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