CVE-2024-39943
9.9 · CRITICALOverview
CVE-2024-39943 is a critical-severity vulnerability affecting rejetto http_file_server. It was published on July 4, 2024 and has a CVSS 3.1 base score of 9.9 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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).
Remediation
Check the references section for vendor advisories and patches from rejetto. Update http_file_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| rejetto | http_file_server | >= 0, < 0.52.10 | Affected |
References
Frequently Asked Questions
What is CVE-2024-39943?
CVE-2024-39943 is a critical-severity vulnerability affecting rejetto http_file_server. It was published on July 4, 2024 and has a CVSS 3.1 base score of 9.9 (CRITICAL).
How severe is CVE-2024-39943?
This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2024-39943?
Check the references section for vendor advisories and patches from rejetto. Update http_file_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2024-39943?
CyberStrike's AI-powered security agents can automatically detect CVE-2024-39943 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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