CVE-2024-39943

Name: CVE-2024-39943
Creator: NVD / NIST
Published: 2024-07-04T23:15:09.94+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 48.76%

Last modified Jun 17, 2026

CVE-2024-39943 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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).. EPSS estimates a 48.76% chance of exploitation in the next 30 days.

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).

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

48.76%

98.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Rejetto	Http File Server	< 0.52.10

References

Timeline

Published: Jul 4, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-39943?

How severe is CVE-2024-39943?

CVE-2024-39943 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 48.76% probability of exploitation in the next 30 days.

How do I fix CVE-2024-39943?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-39943?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST