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CVE PROGRAM SOURCE RECORDUnscored

CVE-2021-33193

Request splitting via HTTP/2 method injection and mod_proxy

Description

A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Apache Software Foundation Apache HTTP Server

  • Apache HTTP Server 2.4 2.4.17 to 2.4.48affected

References