RCE in Rejetto Http_file_server

CVE-2024-39943

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 execSy…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.485 (98.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-39943?
CVE-2024-39943 is a critical-severity vulnerability in Rejetto Http_file_server, classified under OS Command Injection. CVSS score: 9.9/10. Published 2024-07-04.
How severe is CVE-2024-39943?
Critical severity. CVSS v3 base score is 9.9 out of 10.
Is CVE-2024-39943 known to be exploited?
32 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.