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CVE-2023-25950

Quick assessment

Affected
HAProxy Technologies HAProxy
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Haproxy HAProxy是法国Haproxy公司的一款开源的TCP/HTTP负载均衡服务器。该服务器提供4层、7层代理，并能支持上万级别的连接，具有高效、稳定等特点。 HAProxy 2.7.0版本、2.6.1版本至2.6.7版本存在安全漏洞。攻击者利用该漏洞获取敏感信息或造成拒绝服务。

AI Predicted 9.1 Difficulty: Easy EPSS 2.94% · P86

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-25950

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
HTTP request/response smuggling vulnerability in HAProxy version 2.7.0, and 2.6.1 to 2.6.7 allows a remote attacker to alter a legitimate user's request. As a result, the attacker may obtain sensitive information or cause a denial-of-service (DoS) condition.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
HAProxy 环境问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Haproxy HAProxy是法国Haproxy公司的一款开源的TCP/HTTP负载均衡服务器。该服务器提供4层、7层代理，并能支持上万级别的连接，具有高效、稳定等特点。 HAProxy 2.7.0版本、2.6.1版本至2.6.7版本存在安全漏洞。攻击者利用该漏洞获取敏感信息或造成拒绝服务。
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
HAProxy Technologies HAProxy version 2.7.0, and version 2.6.1 to 2.6.7 -

II. Public POCs for CVE-2023-25950

# POC Description Source Link Shenlong Link
1 HTTP3ONSTEROIDS - A research on CVE-2023-25950 where HAProxy's HTTP/3 implementation fails to block a malformed HTTP header field name. https://github.com/dhmosfunk/HTTP3ONSTEROIDS POC Details
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III. Intelligence Information for CVE-2023-25950

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Vendor Advisories for CVE-2023-25950 (1)

Other References for CVE-2023-25950 (1)

IV. Related Vulnerabilities

Same product: HAProxy
Same vendor: HAProxy Technologies

V. Comments for CVE-2023-25950

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