CVE-2021-3129 (GCVE-0-2021-3129)

Vulnerability from cvelistv5 – Published: 2021-01-12 14:07 – Updated: 2025-10-21 23:35
VLAI CISA Previdian
Summary
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.
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-04 20:16 UTC
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2021-3129

Status: Confirmed

Status Updated: 2023-09-18 02:00 CEST

Exploited: Yes


Timestamps
First Seen: 2023-09-18
Asserted: 2023-09-18

Scope
Notes: Laravel Ignition File Upload Vulnerability | Affected: Laravel / Ignition | 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(). | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2023-10-09 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://github.com/facade/ignition/releases/tag/2.5.2; https://nvd.nist.gov/vuln/detail/CVE-2021-3129

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev


Details
Cwes
Feed CISA Known Exploited Vulnerabilities Catalog
Product Ignition
Due Date 2023-10-09
Date Added 2023-09-18
Vendorproject Laravel
Vulnerabilityname Laravel Ignition File Upload Vulnerability
Knownransomwarecampaignuse Known

References

Created: 2026-10-02 08:09 CEST | Updated: 2026-10-02 08:09 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2021-3129

Status: Confirmed

Status Updated: 2023-09-18 02:00 CEST

Exploited: Yes


Timestamps
First Seen: 2023-09-18
Asserted: 2023-09-18

Scope
Notes: Ignition before 2.5.2, as used in Laravel and other products, allows unauthenticated remote attackers to execute arbitrary code because of insecure... | Affected: Facade / Ignition | CVSS: 9.8 (CRITICAL) | EPSS: 0.99943 | Used in malware: yes | Not yet in CISA KEV: False

Evidence

Type: Public Report

Signal: Confirmed Compromise

Confidence: 70%

Source: previdian


Details
Feed Previdian (previdian.com)
Title Ignition before 2.5.2, as used in Laravel and other products, allows unauthenticated remote attackers to execute arbitrary code because of insecure...
Cve Id CVE-2021-3129
Vendor Facade
Ghsa Id GHSA-4QWP-7C67-JMCC
Product Ignition
Added Date 2023-09-18T00:00:00.000Z
Cvss Score 9.8
Epss Score 0.99943
Previous Ids
Cvss Severity CRITICAL
Virtual Patch False
Cvss Estimated False
Epss Percentile 0.99972
Used In Malware yes
Vulnerability Id CVE-2021-3129
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False

References

Created: 2026-10-02 09:11 CEST | Updated: 2026-10-02 09:11 CEST
Show details on NVD website

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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