{"schema":"threatline.record/2","record":{"id":"CVE-2021-3129","aliases":[],"summary":"Laravel Ignition File Upload Vulnerability","details":"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().","categories":["Frameworks"],"product":"Ignition","vendor":"Laravel","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2021-3129","source_modified_at":"2025-10-21T23:35:30.227Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}],"defaultStatus":null}],"fixed_versions":[],"cvss":9.8,"severity":"Critical","kev":{"listed":true,"date_added":"2023-09-18","due_date":"2023-10-09","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","ransomware_campaign_use":"Known"},"epss":{"probability":0.99943,"percentile":0.99973,"score_date":"2026-10-23"},"published_at":"2021-01-12T14:07:38.000Z","modified_at":"2025-10-21T23:35:30.227Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2021-3129","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:35:30.227Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/php/ignition_laravel_debug_rce.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2021-01-13"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/49424","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2021-01-14"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-3129.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2021-3129","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","Exploit-DB","Nuclei","EPSS"],"references":[{"url":"https://github.com/facade/ignition/releases/tag/2.5.2","source":"CISA KEV"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3129","source":"CISA KEV"},{"source":"CVE List","url":"https://www.ambionics.io/blog/laravel-debug-rce","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://github.com/facade/ignition/pull/334","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3129","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"total","assessed_at":"2025-02-04T20:16:41.015984Z"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"Unauthenticated remote code execution in Ignition","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/php/ignition_laravel_debug_rce.rb","date":"2021-01-13","added":"2026-04-22","check":true},{"source":"Exploit-DB","kind":"Webapps exploit","name":"Laravel 8.4.2 debug mode - Remote code execution","url":"https://www.exploit-db.com/exploits/49424","date":"2021-01-14","added":"2021-01-14","verified":false},{"source":"Nuclei","kind":"Scanner template","name":"Laravel with Ignition <= v8.4.2 Debug Mode - Remote Code Execution","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-3129.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:35:30.227Z","content_hash":"051fd7787e6f1b556119c04c803d455bd1c71da3ee3536926f59e292f3b2f3b3"}}