{"id":"CVE-2021-3129","kind":"vulnerability","aliases":["CVE-2021-3129"],"related":[],"title":"facade ignition: Ignition before 2.5.2, as used in Laravel and other products, allows unauthenticated remote attackers to execute…","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().\n\nCISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","summary":"Laravel Ignition, the error page package used by Laravel apps, has a file upload flaw that lets unauthenticated remote attackers run malicious code. CISA lists it as actively exploited and tied to ransomware campaigns.","severity":"critical","cvss":9.8,"epss":null,"exploited":true,"exploited_at":"2023-09-18T00:00:00+00:00","products":[{"name":"Laravel Ignition","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"facade ignition","fixed":["2.5.2"],"affected":"< 2.5.2","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","laravel","package","php","ransomware","self-hosted"],"not_affected_if":["default-config"],"how_to_check":"Check composer.lock or vendor/composer/installed.json for facade/ignition (or laravel/ignition) and note the installed version.","fix":"Upgrade facade/ignition (or laravel/ignition) to a fixed version; the sources do not name the exact version.\nIf upgrading is not possible, follow vendor mitigation instructions or disable the package in production.","status":"open","published_at":"2021-01-12T15:15:16+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T21:04:38+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-23T21:04:38Z","model":"claude-haiku-5-5","output":{"fix":"Upgrade facade/ignition (or laravel/ignition) to a fixed version; the sources do not name the exact version.\nIf upgrading is not possible, follow vendor mitigation instructions or disable the package in production.","reach":"internet","impact":"high","summary":"Laravel Ignition, the error page package used by Laravel apps, has a file upload flaw that lets unauthenticated remote attackers run malicious code. CISA lists it as actively exploited and tied to ransomware campaigns.","category":"package","who_cares":["laravel","php","self-hosted"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker uploads and runs malicious code on the server.","analyst_note":"Find the fixed Ignition version and the exact debug/development-mode conditions from the vendor advisory linked in the KEV entry.","how_to_check":"Check composer.lock or vendor/composer/installed.json for facade/ignition (or laravel/ignition) and note the installed version.\nunknown","needs_analyst":true,"not_affected_if":["default-config"],"user_interaction":"no","needs_special_setup":"yes","severity_if_unknown":"critical"},"cost_usd":0.000486,"input_tokens":2823,"output_tokens":407,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2021':20A,23A '-3129':21A,24A '2.5.2':5A 'action':101C 'activ':64B 'allow':13A,79C 'app':46B 'appli':102C 'attack':16A,56B,82C 'campaign':70B 'cisa':60B,99C 'code':59B,86C 'contain':73C 'content':94C,98C 'cve':19A,22A 'discontinu':108C 'due':87C 'error':40B 'execut':18A,84C 'exploit':29B,65B 'facad':1A 'facade':27A 'file':49B,75C,92C,96C 'flaw':51B 'get':93C 'host':36B 'ignit':2A,3A,38B,72C 'ignition':26A,28A 'insecur':89C 'instruct':106C 'laravel':9A,25A,30B,37B,45B,71C 'let':53B 'list':61B 'malici':58B,85C 'mitig':103C,114C 'packag':31B,42B 'page':41B 'per':104C 'php':32B 'product':12A,112C 'put':97C 'ransomwar':33B,69B 'remot':15A,55B,81C 'requir':100C 'run':57B 'self':35B 'self-host':34B 'tie':67B 'unauthent':14A,54B,80C 'unavail':116C 'upload':50B,76C 'usag':90C 'use':7A,43B,109C 'vendor':105C 'vulner':77C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2021-01-12T15:15:16+00:00","kev":{"dateAdded":"2023-09-18","dueDate":"2023-10-09","requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Known"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2021-3129","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-3129","severity":null,"published_at":"2023-09-18T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T11:39:15+00:00","note":null},{"source":"nvd","external_id":"CVE-2021-3129","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3129","severity":null,"published_at":"2021-01-12T15:15:16+00:00","modified_at":"2026-06-17T04:04:43+00:00","first_seen_at":"2026-10-23T22:29:04+00:00","fetched_at":"2026-10-23T22:29:04+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}