Attacker Value
Unknown
CVE-2021-44224
CVE-2021-44224
(Last updated November 08, 2023) ▾
MITRE ATT&CK
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Description
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).
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
8.2 High
Impact Score:
4.2
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
Low
Availability (A):
High
General Information
Vendors
- apache,
- apple,
- debian,
- fedoraproject,
- oracle,
- tenable
Products
- communications element manager,
- communications operations monitor 4.0,
- communications operations monitor 4.3,
- communications operations monitor 4.4,
- communications operations monitor 5.0,
- communications session report manager,
- communications session route manager,
- debian linux 10.0,
- debian linux 11.0,
- fedora 34,
- fedora 35,
- fedora 36,
- http server,
- http server -,
- http server 12.2.1.3.0,
- http server 12.2.1.4.0,
- instantis enterprisetrack 17.1,
- instantis enterprisetrack 17.2,
- instantis enterprisetrack 17.3,
- mac os x 10.15.7,
- macos,
- tenable.sc
