Vulnerabilities > CVE-2021-44224 - NULL Pointer Dereference vulnerability in multiple products

047910
CVSS 8.2 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
LOW
Availability impact
HIGH

Summary

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).

Vulnerable Configurations

Part Description Count
Application
Apache
45
Application
Tenable
11
Application
Oracle
42
OS
Fedoraproject
3
OS
Debian
2
OS
Apple
45

Common Weakness Enumeration (CWE)