A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.

Published: 2021-09-16

CVSS: 9.0

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Download CVE-2021-40438 POC (Proof-of-Concept) here:

Tip: Download official Tor Browser at https://www.torproject.org/download/ to access .onion links.

https://connollyfinan.ie/poc-437-cve-2024-5806/

https://connollyfinan.ie/poc-547-cve-2023-36710/

https://connollyfinan.ie/poc-102-cve-2021-26855/