CVE-2021-40438

Apache HTTP Server-Side Request Forgery (SSRF)

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. Vendor/Product: Apache Apache. Added to CISA KEV 2021-12-01; required action: Apply updates per vendor instructions.

Category: Vulnerability, Known Exploited

Reference: NVD CVE-2021-40438