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.
References
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History
27 Oct 2025, 17:37
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| References | () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40438 - US Government Resource |
22 Oct 2025, 00:17
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21 Oct 2025, 20:18
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21 Oct 2025, 19:19
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16 May 2025, 15:27
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| CPE | cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.1:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.4:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.7:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.4:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_tus:8.8:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.8:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:* cpe:2.3:a:redhat:software_collections:1.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.8:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:7.0_s390x:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_eus:8.8:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_arm_64:8.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.4:*:*:*:*:*:*:* cpe:2.3:o:resf:rocky_linux:8.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:7.7:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.4:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.8:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:7.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:8.6:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_workstation:7.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus_s390x:8.2:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:7.6:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:8.8:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.8:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:* cpe:2.3:a:redhat:jboss_core_services:1.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_scientific_computing:7.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.6:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.2:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.1:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:7.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:* |
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| First Time |
Redhat enterprise Linux Server For Power Little Endian Update Services For Sap Solutions
Redhat enterprise Linux Redhat enterprise Linux For Ibm Z Systems Eus S390x Resf rocky Linux Redhat enterprise Linux Server Update Services For Sap Solutions Redhat enterprise Linux For Arm 64 Eus Redhat enterprise Linux For Ibm Z Systems Eus Redhat enterprise Linux For Power Big Endian Redhat software Collections Redhat enterprise Linux Workstation Resf Redhat enterprise Linux Server Redhat enterprise Linux For Power Little Endian Eus Redhat enterprise Linux Eus Redhat enterprise Linux For Power Little Endian Redhat enterprise Linux For Scientific Computing Redhat enterprise Linux Server Workstation Redhat jboss Core Services Redhat enterprise Linux Update Services For Sap Solutions Redhat enterprise Linux Server Aus Redhat enterprise Linux For Ibm Z Systems Redhat Redhat enterprise Linux For Arm 64 Redhat enterprise Linux Server Tus |
Information
Published : 2021-09-16 15:15
Updated : 2025-10-27 17:37
NVD link : CVE-2021-40438
Mitre link : CVE-2021-40438
CVE.ORG link : CVE-2021-40438
JSON object : View
Products Affected
redhat
- jboss_core_services
- enterprise_linux_server_workstation
- enterprise_linux_for_arm_64
- software_collections
- enterprise_linux_for_power_big_endian
- enterprise_linux_for_power_little_endian
- enterprise_linux_for_ibm_z_systems
- enterprise_linux_server
- enterprise_linux_server_aus
- enterprise_linux_eus
- enterprise_linux_for_ibm_z_systems_eus
- enterprise_linux_server_tus
- enterprise_linux_for_arm_64_eus
- enterprise_linux_update_services_for_sap_solutions
- enterprise_linux_server_update_services_for_sap_solutions
- enterprise_linux_for_scientific_computing
- enterprise_linux_workstation
- enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions
- enterprise_linux_for_ibm_z_systems_eus_s390x
- enterprise_linux
- enterprise_linux_for_power_little_endian_eus
debian
- debian_linux
oracle
- secure_global_desktop
- instantis_enterprisetrack
- http_server
- zfs_storage_appliance_kit
- enterprise_manager_ops_center
tenable
- tenable.sc
broadcom
- brocade_fabric_operating_system_firmware
siemens
- ruggedcom_nms
- sinema_remote_connect_server
- sinec_nms
- sinema_server
netapp
- cloud_backup
- storagegrid
- clustered_data_ontap
resf
- rocky_linux
f5
- f5os
fedoraproject
- fedora
apache
- http_server
CWE
CWE-918
Server-Side Request Forgery (SSRF)
