{"id":"CVE-2024-39943","aliases":["GHSA-5f4x-hwv2-w9w2"],"url":"https://o3.security/vulnerability/CVE-2024-39943","summary":"rejetto HFS vulnerable to OS Command Execution by remote authenticated users","details":"rejetto HFS (aka HTTP File Server) 3 before 0.52.10 on Linux, UNIX, and macOS allows OS command execution by remote authenticated users (if they have Upload permissions). This occurs because a shell is used to execute df (i.e., with execSync instead of spawnSync in child_process in Node.js).","published":"2024-07-04T00:00:00Z","modified":"2026-08-12T03:51:33.965929548Z","cvss":{"score":9.9,"severity":"CRITICAL","vector":"CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:L/S:C/UI:N"},"epss":{"score":0.39474,"percentile":0.98538,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"npm","name":"hfs","fixedVersion":"0.52.10"}],"fix":{"url":"https://github.com/rejetto/hfs/commit/305381bd36eee074fb238b64302a252668daad1d","label":"rejetto/hfs@305381b"},"references":[{"type":"WEB","url":"https://github.com/rejetto/hfs/compare/v0.52.9...v0.52.10"},{"type":"WEB","url":"https://www.rejetto.com/wiki/index.php/HFS:_Working_with_uploads"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/39xxx/CVE-2024-39943.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-39943"},{"type":"FIX","url":"https://github.com/rejetto/hfs/commit/305381bd36eee074fb238b64302a252668daad1d"},{"type":"PACKAGE","url":"https://github.com/rejetto/hfs"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:33.965929548Z"}}