UNKNOWNKNOWN EXPLOITEDRANSOMWARE: KNOWN

CVE-2021-40438

Apache HTTP Server-Side Request Forgery (SSRF)

Published: 2021-12-01
Modified: 2026-07-31
Sources: cisa-kev

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.

References

https://www.cisa.gov/known-exploited-vulnerabilities-catalog

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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