{"cve":"CVE-2021-3846","nvd":{"published":"2021-10-19T13:15:11.567","modified":"2026-06-17T04:05:53.110","status":"Modified","description":"firefly-iii is vulnerable to Unrestricted Upload of File with Dangerous Type","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-434"],"references":["https://github.com/firefly-iii/firefly-iii/commit/a85b6420c19ace35134f896e094e1971d8c7954b","https://huntr.dev/bounties/5267ec1c-d204-40d2-bd4f-6c2dd495ee18","https://github.com/firefly-iii/firefly-iii/commit/a85b6420c19ace35134f896e094e1971d8c7954b","https://huntr.dev/bounties/5267ec1c-d204-40d2-bd4f-6c2dd495ee18"],"products":["firefly-iii:firefly_iii"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-3846","score":0.00779,"percentile":0.55919,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}