Skip to main content
ExploitedIn CISA KEVFix available

CVE-2021-3129

Exploitation confirmed. First attested on 2023-09-18 by CISA-ADP, CISA KEV, GCVE · kevintel, GCVE · shadowserver.

  • Published2021-01-12
  • Fixed in2.5.2 · 2.4.2 · 1.16.14 · 1.6.15

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2021-01-1215:15CVE publishedNVD
  2. 2021-01-14Exploit-DB entryExploit-DB
  3. 2023-09-18Added to the CISA KEV catalogCISA KEV
  4. 2023-09-18Listed as exploited by GCVEGCVE
  5. 2023-09-18Exploitation first reportedCISA KEV
  6. 2025-02-0420:16SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-3129?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-3129?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Facade ignitionversion to verify
BranchAffectedFixed in
2.5< 2.5.22.5.2
2.5≥ 2.5.0, < 2.5.22.5.2
2.x≥ 2.0.0, < 2.4.22.4.2
1.x≥ 1.7.0, < 1.16.141.16.14
1.6< 1.6.151.6.15

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Facade ignition to 2.5.2 · 2.4.2 · 1.16.14 · 1.6.15
  2. CISA’s required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.due 2023-10-09

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
EDB-49424
Exploit-DB
Proof-of-concept repositories
20 repositories, unverifiedambionics/laravel-exploitsSNCKER/CVE-2021-3129SecPros-Team/laravel-CVE-2021-3129-EXPcrisprss/Laravel_CVE-2021-3129_EXPnth347/CVE-2021-3129_exploit
PoC-in-GitHub
Metasploit modules
1 moduleexploit/multi/php/ignition_laravel_debug_rcerank: excellentModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2023-09-18
Patch Due Date
2023-10-09
Ransomware Use
Known
Required Action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2021-01-12
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-4qwp-7c67-jmcc

Frequently asked questions

What is CVE-2021-3129?

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.

Is CVE-2021-3129 actively exploited?

Yes. CVE-2021-3129 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2023-10-09.

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

CVE-2021-3129 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Running facade/ignition? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, September 2023Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record