CVE-2025-12543Kavram kanıtı (PoC) yayınlanmış · CISA

Undertow-core: undertow http server fails to reject malformed host headers leading to potential cache poisoning and ssrf

CVSS Skor

9.6

EPSS İhtimal

%1.3

Risk Skoru

0.1

Yayın

9 ay önce

Overview (Genel Bakış)Public Exploits (0)Newsroom (Haberler)Vulnerability Timeline

Yama durumu henüz doğrulanamadı

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Envanterimdeki Etkisi

Yalnızca hesabınıza eklediğiniz kişisel ürünler değerlendirilir; kurumsal envanter burada görünmez.

Oturum kontrol ediliyor…

Zafiyet Açıklaması

DayBreach CVE AI Araştırması

CVE-2025-12543 için toplanan üretici, dağıtım, yama ve güvenlik kaynağı kayıtlarını karşılaştırıp kanıt bağlantılı bir açıklama hazırlayalım.

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.

IMPACT — Etkilenen Ürünler ve Yazılımlar

Affected Products

The following products are affected by CVE-2025-12543 vulnerability. Even if our threat engine is aware of the exact versions of the products that are affected, the information is represented below.

ID	VENDOR	PRODUCT	ACTION
1	Red Hat	Red Hat build of Apache Camel 4.14.4 for Spring Boot 3.5.11	İncele
2	Red Hat	Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7	İncele
3	Red Hat	Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7	İncele
4	Red Hat	Red Hat JBoss Enterprise Application Platform 7.4.24	İncele
5	Red Hat	Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7	İncele
6	Red Hat	Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7	İncele
7	Red Hat	Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8	İncele
8	Red Hat	Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8	İncele
9	Red Hat	Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9	İncele
10	Red Hat	Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9	İncele
11	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0	İncele
12	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8	İncele
13	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8	İncele
14	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8	İncele
15	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8	İncele
16	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8	İncele
17	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8	İncele
18	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9	İncele
19	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9	İncele
20	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9	İncele
21	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9	İncele
22	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9	İncele
23	Red Hat	Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9	İncele
24	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1.3	İncele
25	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
26	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
27	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
28	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
29	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
30	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
31	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
32	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
33	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
34	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
35	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
36	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8	İncele
37	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
38	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
39	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
40	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
41	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
42	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
43	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
44	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
45	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
46	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
47	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
48	Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9	İncele
49	Red Hat	Red Hat Single Sign-On 7.6.13	İncele
50	Red Hat	Red Hat Single Sign-On 7.6 for RHEL 7	İncele
51	Red Hat	Red Hat Single Sign-On 7.6 for RHEL 8	İncele
52	Red Hat	Red Hat Single Sign-On 7.6 for RHEL 9	İncele
53	Red Hat	RHEL-8 based Middleware Containers	İncele
54	Red Hat	Red Hat build of Apache Camel - HawtIO 4	İncele
55	Red Hat	Red Hat Data Grid 8	İncele
56	Red Hat	Red Hat Enterprise Linux 10	İncele
57	Red Hat	Red Hat Enterprise Linux 8	İncele
58	Red Hat	Red Hat Enterprise Linux 9	İncele
59	Red Hat	Red Hat Fuse 7	İncele
60	Red Hat	Red Hat JBoss Enterprise Application Platform 7	İncele
61	Red Hat	Red Hat JBoss Enterprise Application Platform Expansion Pack	İncele
62	Red Hat	Red Hat Process Automation 7	İncele
63	redhat	build of apache camel	İncele
64	redhat	data grid	İncele
65	redhat	fuse	İncele
66	redhat	jboss enterprise application platform	İncele
67	redhat	jboss enterprise application platform	İncele
68	redhat	jboss enterprise application platform	İncele
69	redhat	jboss enterprise application platform	İncele
70	redhat	jboss enterprise application platform expansion pack	İncele
71	redhat	process automation	İncele
72	redhat	single sign-on	İncele
73	redhat	undertow	İncele
74	redhat	undertow	İncele

Total Affected Vendor: 2|Products: 74

RED HAT CSAF/VEX — Ürün Etki Kontrolü

Red Hat bu CVE için henüz bir CSAF/VEX etki kaydı yayımlamamış. Bu durum “etkilenmiyor” anlamına gelmez.

SCORING — CVSS Çoklu Kaynak Skoru

CVSS Scores

The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from various sources for each CVE.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
9.6	CVSS V31	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L	NVD
9.6	CVSS V31	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H	NVD
9.6	CVSS V3_1	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L	CVE CNA
9.6	CVSS V3_1	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L	CVE ADP

Yama ve İyileştirme Rehberi (Solution)

Solution & Remediation Advisory

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Etkilenen ürün ve sürümü yukarıdaki kaynak kanıtlarıyla doğrulayın.

İnternete açık servislerde erişimi kısıtlayın ve ağ segmentasyonu uygulayın.

Yama doğrulanana kadar üretici bültenini izleyin; bilinmeyen durumu “yama yok” olarak yorumlamayın.

Sunucu günlüklerini ve ağ uçlarını anormal çalıştırma belirtileri için izleyin.

Public exploit ve aktif sömürü durumu

Doğrulanmış exploit istihbaratı

Bu CVE için henüz doğrulanmış public PoC, exploit repository’si veya Metasploit modülü bulunamadı.

Zafiyet Dağılımı ve Saldırı Kalıpları (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-12543 is associated with the following CWEs:

CWE-20: Improper Input Validation

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-12543 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Saldırı Vektörü ve Erişilebilirlik Karakteristiği

ErişimAğ üzerinden

YetkiGerekmiyor

KullanıcıGerekiyor

Resmi Kaynaklar ve Danışma Bültenleri

RHSA-2026:0383vendor-advisory RHSA-2026:0384vendor-advisory RHSA-2026:0386vendor-advisory RHSA-2026:33371vendor-advisory RHSA-2026:33372vendor-advisory RHSA-2026:3889vendor-advisory RHSA-2026:3890vendor-advisory RHSA-2026:3891vendor-advisory RHSA-2026:3892vendor-advisory RHSA-2026:4915vendor-advisory

CVSS Vektör Radar Grafiği

9.6 / 10

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L

Attack VectorNetwork (Ağ)

Attack ComplexityLow (Düşük)

Privileges RequiredNone (Gerekmiyor)

User Interaction—

Confidentiality (Gizlilik)Low (Düşük)

Integrity (Bütünlük)High (Yüksek)

Availability (Erişilebilirlik)Low (Düşük)

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Üreticiyi takip et

Red Hat

redhat

Zafiyet Türü (CWE & CAPEC)

CWE-20

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