7.5

CVE-2021-33193

Exploit

Request splitting via HTTP/2 method injection and mod_proxy

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Debian ≫ Debian Linux Version 10.0
Apache ≫ HTTP Server Version >= 2.4.17 < 2.4.49
Fedoraproject ≫ Fedora Version 34
Fedoraproject ≫ Fedora Version 35
Tenable ≫ Tenable.Sc Version <= 5.19.1
Oracle ≫ Secure Backup Version < 18.1.0.1.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 46.18% 0.987
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:P/A:N
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://www.oracle.com/security-alerts/cpuapr2022.html
Patch
Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html
Patch
Third Party Advisory
https://github.com/apache/httpd/commit/ecebcc035ccd8d0e2984fe41420d9e944f456b3c.patch
Patch
https://lists.apache.org/thread.html/re4162adc051c1a0a79e7a24093f3776373e8733abaff57253fef341d%40%3Ccvs.httpd.apache.org%3E
Patch
https://lists.apache.org/thread.html/ree7519d71415ecdd170ff1889cab552d71758d2ba2904a17ded21a70%40%3Ccvs.httpd.apache.org%3E
Patch
https://lists.debian.org/debian-lts-announce/2023/03/msg00002.html
Third Party Advisory
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DSM6UWQICBJ2TU727RENU3HBKEAFLT6T/
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUVJVRJRBW5QVX4OY3NOHZDQ3B3YOTSG/
Third Party Advisory
https://portswigger.net/research/http2
Third Party Advisory
Exploit
https://security.gentoo.org/glsa/202208-20
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210917-0004/
Third Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ
Third Party Advisory
https://www.tenable.com/security/tns-2021-17
Third Party Advisory