CVE-2021-40438
published 2021-09-16CVE-2021-40438: 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…
critical9CVSS 3.1
AVNACHPRNUINSCCHIHAH
KEVITWEXPLOIT
CISA Known Exploited Vulnerabilitydue 2021-12-15
Exploited in the wild
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.
Affected
86 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache | http_server | <= 2.4.48 | — |
| apache | httpd | — | — |
| apache_software_foundation | apache_http_server | Apache HTTP Server 2.4 – 2.4.48 | — |
| debian | apache2 | < apache2 2.4.49-1 (bookworm) | apache2 2.4.49-1 (bookworm) |
| debian | apache2 | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| f5 | f5os | 1.1.0 – 1.1.4 | — |
| f5 | f5os | 1.2.0 – 1.2.1 | — |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| msrc | cbl2_httpd_2.4.52-1_on_cbl_mariner_2.0 | — | — |
| msrc | cm1_httpd_2.4.49-1_on_cbl_mariner_1.0 | — | — |
| oracle | enterprise_manager_ops_center | — | — |
| oracle | http_server | — | — |
| oracle | http_server | — | — |
| oracle | instantis_enterprisetrack | — | — |
| oracle | instantis_enterprisetrack | — | — |
| oracle | instantis_enterprisetrack | — | — |
| oracle | secure_global_desktop | — | — |
| oracle | zfs_storage_appliance_kit | — | — |
| paloalto | pan-os | — | — |
| redhat | enterprise_linux | — | — |
| redhat | enterprise_linux | — | — |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
osv9.0CRITICAL
vulncheck9.0CRITICAL
cisa9.0CRITICAL