cbcvebase.
CVE-2021-44224
published 2021-12-20

CVE-2021-44224: A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurations mixing forward…

high8.2CVSS 3.1
AVNACLPRNUINSUCNILAH
A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint (Server Side Request Forgery). This issue affects Apache HTTP Server 2.4.7 up to 2.4.51 (included).

Affected

31 ranges· showing 25
VendorProductVersion rangeFixed in
apachehttp_server>= 2.4.7 < 2.4.522.4.52
apache_software_foundationapache_http_server>= 2.4.7 < Apache HTTP Server 2.4*Apache HTTP Server 2.4*
applemac_os_x
applemacos< 10.15.710.15.7
applemacos>= 11.0 < 11.6.611.6.6
applemacos>= 12.0.0 < 12.412.4
applemacos_big_sur
applemacos_monterey
applesecurity_update_2022-004_catalina
debianapache2< apache2 2.4.52-1 (bookworm)apache2 2.4.52-1 (bookworm)
debiandebian_linux
debiandebian_linux
fedoraprojectfedora
fedoraprojectfedora
fedoraprojectfedora
msrccbl2_httpd_2.4.52-1_on_cbl_mariner_2.0
msrccm1_httpd_2.4.52-1_on_cbl_mariner_1.0
oraclecommunications_element_manager< 9.09.0
oraclecommunications_operations_monitor
oraclecommunications_operations_monitor
oraclecommunications_operations_monitor
oraclecommunications_operations_monitor
oraclecommunications_session_report_manager< 9.09.0
oraclecommunications_session_route_manager< 9.09.0
oraclehttp_server

CVSS provenance

nvdv3.18.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
osv8.2HIGH