CVE-2025-12543
Undertow HTTP server core doesn't properly validate the Host header in incoming HTTP requests
9.6
CRITICAL
CVSS 3.1
EPSS 1.2%
描述
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.
如何修補 CVE-2025-12543
目前尚未發布修補版本。可考慮移除受影響套件,或參考下方連結中的上游建議。
- —未列出修補版本
- —未列出修補版本
CVE-2025-12543 正在被利用嗎?
低 — EPSS 為 1.2%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L |