CVE Details

Release Date:2021-09-16


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.

See more information about CVE-2021-40438 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: 9 Base Metrics: AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Access Vector: Network Attack Complexity: High
Privileges Required: None User Interaction: None
Scope: Changed Confidentiality Impact: High
Integrity Impact: High Availability Impact: High

Errata information

PlatformErrataRelease Date
Oracle Linux version 7 (httpd)ELSA-2021-38562021-10-14
Oracle Linux version 8 (httpd)ELSA-2021-38162021-10-13
Oracle Linux version 8 (mod_http2)ELSA-2021-38162021-10-13
Oracle Linux version 8 (mod_md)ELSA-2021-38162021-10-13

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