CVE-2025-12543— Undertow-core: undertow http server fails to reject malformed host headers leading to potential cache poisoning and ssrf
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I. Basic Information for CVE-2025-12543
Vulnerability Information
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Vulnerability Title
Undertow-core: undertow http server fails to reject malformed host headers leading to potential cache poisoning and ssrf
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Red Hat Undertow 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Undertow是美国红帽（Red Hat）公司的一款基于Java的嵌入式Web服务器，是Wildfly（Java应用服务器）默认的Web服务器。 Red Hat Undertow存在安全漏洞，该漏洞源于未正确验证Host标头，可能导致缓存投毒、内部网络扫描或会话劫持。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Shenlong Deep Dive — AI Deep Analysis
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Red Hat build of Apache Camel 4.14.4 for Spring Boot 3.5.11 | - | cpe:/a:redhat:apache_camel_spring_boot:4.14 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform | 2.2.39.Final-redhat-00001 ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:7.4 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | 0:2.2.39-1.Final_redhat_00001.1.el7eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | 0:7.4.24-4.GA_redhat_00002.1.el7eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 | 0:2.2.39-1.Final_redhat_00001.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 | 0:7.4.24-4.GA_redhat_00002.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 | 0:2.2.39-1.Final_redhat_00001.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 | 0:7.4.24-4.GA_redhat_00002.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 | - | cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 | 0:1.83.0-1.redhat_00001.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 | 0:33.0.0-2.jre_redhat_00003.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 | 0:4.0.6-1.redhat_00001.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 | 0:1.0.0-3.redhat_00009.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 | 0:2.0.2-1.Final_redhat_00001.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 | 0:2.3.23-1.SP3_redhat_00001.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9 | 0:1.83.0-1.redhat_00001.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9 | 0:33.0.0-2.jre_redhat_00003.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9 | 0:4.0.6-1.redhat_00001.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9 | 0:1.0.0-3.redhat_00009.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9 | 0:2.0.2-1.Final_redhat_00001.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9 | 0:2.3.23-1.SP3_redhat_00001.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 | - | cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | 0:4.0.10-1.redhat_00001.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | 0:1.82.0-1.redhat_00001.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | 0:801.3.0-1.GA_redhat_00001.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | 0:1.0.1-3.redhat_00003.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | 0:6.6.36-1.Final_redhat_00001.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | 0:4.0.2-1.Final_redhat_00001.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | 0:2.5.0-1.redhat_00001.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | 0:2.3.20-2.SP4_redhat_00001.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | 0:8.1.3-4.GA_redhat_00006.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | 0:5.0.12-1.Final_redhat_00001.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | 0:2.6.6-1.Final_redhat_00001.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | 0:8.1.1-4.GA_redhat_00007.1.el8eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el8 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | 0:4.0.10-1.redhat_00001.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | 0:1.82.0-1.redhat_00001.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | 0:801.3.0-1.GA_redhat_00001.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | 0:1.0.1-3.redhat_00003.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | 0:6.6.36-1.Final_redhat_00001.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | 0:4.0.2-1.Final_redhat_00001.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | 0:2.5.0-1.redhat_00001.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | 0:2.3.20-2.SP4_redhat_00001.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | 0:8.1.3-4.GA_redhat_00006.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | 0:5.0.12-1.Final_redhat_00001.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | 0:2.6.6-1.Final_redhat_00001.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el9 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | 0:8.1.1-4.GA_redhat_00007.1.el9eap ~ * | cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el9 | |
| Red Hat | Red Hat build of Apache Camel - HawtIO 4 | - | cpe:/a:redhat:apache_camel_hawtio:4 | |
| Red Hat | Red Hat Data Grid 8 | - | cpe:/a:redhat:jboss_data_grid:8 | |
| Red Hat | Red Hat Enterprise Linux 10 | - | cpe:/o:redhat:enterprise_linux:10 | |
| Red Hat | Red Hat Enterprise Linux 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 | |
| Red Hat | Red Hat Fuse 7 | - | cpe:/a:redhat:jboss_fuse:7 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7 | - | cpe:/a:redhat:jboss_enterprise_application_platform:7 | |
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack | - | cpe:/a:redhat:jbosseapxp | |
| Red Hat | Red Hat Process Automation 7 | - | cpe:/a:redhat:jboss_enterprise_bpms_platform:7 | |
| Red Hat | Red Hat Single Sign-On 7 | - | cpe:/a:redhat:red_hat_single_sign_on:7 |
II. Public POCs for CVE-2025-12543
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same vendor: Red Hat
- CVE-2026-42011
Gnutls: gnutls: security bypass due to incorrect name constr - CVE-2026-42010
Gnutls: gnutls: authentication bypass via nul character in u - CVE-2026-6420
Keylime: keylime: security bypass due to hardcoded tpm quote - CVE-2026-34956
Openvswitch: open vswitch: denial of service via malformed f - CVE-2026-34002
Xorg: xwayland: x.org x server: information disclosure or de
Same weakness: CWE-20
V. Comments for CVE-2025-12543
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