One of the most famous recent exploits involves a path traversal flaw. If the server is misconfigured (specifically, if require all granted is set incorrectly), an attacker can use encoded characters like %%32%65 to step out of the document root. This allows them to read sensitive files like /etc/passwd or execute Remote Code Execution (RCE). B. Denial of Service (Slowloris)
module or range headers, can cause the server to crash or exhaust memory. Remote Code Execution (RCE): apache httpd 2222 exploit