What’s Vulnerable › Vulnerabilities

CVE-2024-39943

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 39.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-04 · updated 2026-06-17
• Weakness: CWE-78

Description

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).

Affected products

• Rejetto Http File Server: before 0.52.10 — fixed in 0.52.10

How to fix

Upgrade to a fixed version: Rejetto Http File Server 0.52.10. Check the vendor advisory for mitigations.

References

• https://github.com/rejetto/hfs/commit/305381bd36eee074fb238b64302a252668daad1d
• https://github.com/rejetto/hfs/compare/v0.52.9...v0.52.10
• https://www.rejetto.com/wiki/index.php/HFS:_Working_with_uploads
• https://github.com/rejetto/hfs/commit/305381bd36eee074fb238b64302a252668daad1d
• https://github.com/rejetto/hfs/compare/v0.52.9...v0.52.10
• https://www.rejetto.com/wiki/index.php/HFS:_Working_with_uploads

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