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TI-2024-26831 Aliases CVE-2024-39943GHSA-5f4x-hwv2-w9w2

rejetto HFS (aka HTTP File Server) 3 before 0.52.10 on Linux, UNIX, and macOS allows OS…

Priority HIGH 82CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass, Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-284 and CWE-78.

Summary

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).

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.39474 98th percentileScored 2026-11-07
Fix Fixed hfs (npm): 0.52.10

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—hfs (npm)before 0.52.100.52.10Patch availableGHSA-5f4x-hwv2-w9w2
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • hfs (npm) Vendor— Affected before 0.52.10 Fixed in 0.52.10 Patch available GHSA-5f4x-hwv2-w9w2

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:rejetto:http_file_server:*:*:*:*:*:*:*:*before 0.52.10VulnerableRejetto
  • cpe:2.3:a:rejetto:http_file_server:*:*:*:*:*:*:*:* Versions before 0.52.10 Vulnerable ·Rejetto

Remediation

  • Fix · GHSA-5f4x-hwv2-w9w2 hfs (npm) Fixed in 0.52.10 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-39943
  2. 2026-10-03 Alias added: GHSA-5f4x-hwv2-w9w2

References

Patch 2

Advisory 1

Other 2

  • TI-2024-15709 Rejetto HTTP File Server 2.3m Unauthenticated RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05168 The findMacroMarker function in parserLib.pas in Rejetto HTTP File Server (aks HFS or… KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-10536 rejetto HFS (aka HTTP File Server) v2.3m Build #300, when virtual files or folders are… CVSS 3.1HIGH 7.5
  • TI-2014-06016 The file comment feature in Rejetto HTTP File Server (hfs) 2.3c and earlier allows remote… CVSS 2.0HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences