CVE ID:	CVE-2021-33193
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.
Test IDs:	1.3.6.1.4.1.25623.1.0.854140   1.3.6.1.4.1.25623.1.0.117615   1.3.6.1.4.1.25623.1.1.4.2021.2918.1   1.3.6.1.4.1.25623.1.0.117616   1.3.6.1.4.1.25623.1.0.854145   1.3.6.1.4.1.25623.1.1.4.2021.2954.1   1.3.6.1.4.1.25623.1.1.1.2.2023.3351
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-33193 Cisco Security Advisory: 20211124 Multiple Vulnerabilities in Apache HTTP Server Affecting Cisco Products: November 2021 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ https://security.netapp.com/advisory/ntap-20210917-0004/ https://www.tenable.com/security/tns-2021-17 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DSM6UWQICBJ2TU727RENU3HBKEAFLT6T/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EUVJVRJRBW5QVX4OY3NOHZDQ3B3YOTSG/ https://security.gentoo.org/glsa/202208-20 https://github.com/apache/httpd/commit/ecebcc035ccd8d0e2984fe41420d9e944f456b3c.patch https://github.com/apache/httpd/commit/ecebcc035ccd8d0e2984fe41420d9e944f456b3c.patch https://portswigger.net/research/http2 https://portswigger.net/research/http2 https://www.oracle.com/security-alerts/cpuapr2022.html https://www.oracle.com/security-alerts/cpuapr2022.html https://www.oracle.com/security-alerts/cpujan2022.html https://www.oracle.com/security-alerts/cpujan2022.html https://lists.debian.org/debian-lts-announce/2023/03/msg00002.html https://lists.apache.org/thread.html/ree7519d71415ecdd170ff1889cab552d71758d2ba2904a17ded21a70@%3Ccvs.httpd.apache.org%3E https://lists.apache.org/thread.html/re4162adc051c1a0a79e7a24093f3776373e8733abaff57253fef341d@%3Ccvs.httpd.apache.org%3E