CVE-2021-40438

Apache HTTP Server-Side Request Forgery (SSRF)

Details

CISA date: 2021-12-01
Affected versions: Apache
Summary: 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.
Remediation: Apply updates per vendor instructions.
Exploit info: No exploit-tagged NVD references in our cache; see the CISA KEV link below.

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Information is aggregated from multiple authoritative sources for convenience; verify with NVD and vendors before operational decisions.