CVE-2024-43394— Apache HTTP Server: SSRF on Windows due to UNC paths
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I. Basic Information for CVE-2024-43394
Vulnerability Information
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Vulnerability Title
Apache HTTP Server: SSRF on Windows due to UNC paths
Source: NVD (National Vulnerability Database)
Vulnerability Description
Server-Side Request Forgery (SSRF) in Apache HTTP Server on Windows allows to potentially leak NTLM hashes to a malicious server via mod_rewrite or apache expressions that pass unvalidated request input. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.63. Note: The Apache HTTP Server Project will be setting a higher bar for accepting vulnerability reports regarding SSRF via UNC paths. The server offers limited protection against administrators directing the server to open UNC paths. Windows servers should limit the hosts they will connect over via SMB based on the nature of NTLM authentication.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache HTTP Server 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache HTTP Server是美国阿帕奇（Apache）基金会的一款开源网页服务器。该服务器具有快速、可靠且可通过简单的API进行扩充的特点。 Apache HTTP Server 2.4.0至2.4.63版本存在代码问题漏洞，该漏洞源于Windows平台上可能泄露NTLM哈希。
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)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server | 2.4.0 ~ 2.4.63 | - |
II. Public POCs for CVE-2024-43394
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|---|
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Same Patch Batch · Apache Software Foundation · 2025-07-10 · 11 CVEs total
| CVE-2024-42516 | Apache HTTP Server: HTTP response splitting | |
| CVE-2024-43204 | Apache HTTP Server: SSRF with mod_headers setting Content-Type header | |
| CVE-2024-47252 | Apache HTTP Server: mod_ssl error log variable escaping | |
| CVE-2025-23048 | Apache HTTP Server: mod_ssl access control bypass with session resumption | |
| CVE-2025-49630 | Apache HTTP Server: mod_proxy_http2 denial of service | |
| CVE-2025-49812 | Apache HTTP Server: mod_ssl TLS upgrade attack | |
| CVE-2025-53020 | Apache HTTP Server: HTTP/2 DoS by Memory Increase | |
| CVE-2025-52434 | Apache Tomcat: APR/Native Connector crash leading to DoS | |
| CVE-2025-52520 | Apache Tomcat: DoS via integer overflow in multipart file upload | |
| CVE-2025-53506 | Apache Tomcat: DoS via excessive h2 streams at connection start |
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V. Comments for CVE-2024-43394
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