CVE-2024-47916: Path Traversal in Boa Web Server

The Path Traversal vulnerability in Boa allows an attacker to bypass intended access controls and retrieve files from the server's file system. By manipulating file paths, an attacker can potentially access configuration files, source code, or even system binaries. Successful exploitation could lead to the disclosure of sensitive information such as passwords, API keys, or internal data. Given the server's EOL status, it's likely running on legacy systems with potentially outdated security practices, increasing the risk of exploitation. The blast radius extends to any data stored on the server accessible through the web interface.

1. Reserved2024-10-06
2. Published2024-11-14
3. EPSS updated2026-04-02

Due to the Boa web server being End-of-Life, direct patching is not an option. The primary mitigation strategy involves isolating the server from external networks and restricting access to only authorized users. Implement strict firewall rules to limit inbound connections to the server. Consider using a Web Application Firewall (WAF) to filter malicious requests and block attempts to traverse the file system. Regularly monitor server logs for suspicious activity, such as unusual file access patterns. If possible, migrate to a supported web server to eliminate the vulnerability entirely.