CVE-2021-33193

CVE Details

Release Date:

2021-08-16

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.

See more information about CVE-2021-33193 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	7.5	Base Metrics:	AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Access Vector:	Network	Attack Complexity:	Low
Privileges Required:	None	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	High	Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (httpd)	ELSA-2022-1915	2022-05-17
Oracle Linux version 8 (httpd)	ELSA-2022-9276	2022-04-13
Oracle Linux version 8 (mod_http2)	ELSA-2022-1915	2022-05-17
Oracle Linux version 8 (mod_md)	ELSA-2022-1915	2022-05-17

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team