A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and other Java applications. The Undertow library fails to properly validate the Host header in incoming HTTP requests.As a result, requests containing malformed or malicious Host headers are processed without rejection, enabling attackers to poison caches, perform internal network scans, or hijack user sessions.
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No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
12
Affected Products
13
References
redhat / build_of_apache_camel
| - |
| redhat | jboss_enterprise_application_platform | 8.0 - 8.0.12 | - |
| redhat | jboss_enterprise_application_platform | 8.1.0 - 8.1.3 | - |
| redhat | jboss_enterprise_application_platform | - | - |
| redhat | jboss_enterprise_application_platform | - | - |
| redhat | jboss_enterprise_application_platform_expansion_pack | - | - |
| redhat | process_automation | - | - |
| redhat | single_sign-on | - | - |
| redhat | undertow | 2.2.39 | - |
| redhat | undertow | 2.3.0 - 2.3.21 | - |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
Exploitability
Impact