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CVE-2024-45410— HTTP client can remove the X-Forwarded headers in Traefik

Quick assessment

Affected
traefik traefik
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.

Traefik是Traefik开源的一款开源的反向代理与负载均衡工具。 Traefik 2.11.8及之前版本和v3.1.2及之前版本存在安全漏洞，该漏洞源于HTTP/1.1协议下通过HTTP Connection头定义某些特定HTTP头作为跳跃头，导致这些头可以被移除或在某些情况下被篡改。

CVSS 9.8 · Critical EPSS 1.51% · P74
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I. Basic Information for CVE-2024-45410

Vulnerability Information
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Vulnerability Title
HTTP client can remove the X-Forwarded headers in Traefik
Source: CVE Program / CVE List V5
Vulnerability Description
Traefik is a golang, Cloud Native Application Proxy. When a HTTP request is processed by Traefik, certain HTTP headers such as X-Forwarded-Host or X-Forwarded-Port are added by Traefik before the request is routed to the application. For a HTTP client, it should not be possible to remove or modify these headers. Since the application trusts the value of these headers, security implications might arise, if they can be modified. For HTTP/1.1, however, it was found that some of theses custom headers can indeed be removed and in certain cases manipulated. The attack relies on the HTTP/1.1 behavior, that headers can be defined as hop-by-hop via the HTTP Connection header. This issue has been addressed in release versions 2.11.9 and 3.1.3. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对数据真实性的验证不充分
Source: CVE Program / CVE List V5
Vulnerability Title
Traefik 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Traefik是Traefik开源的一款开源的反向代理与负载均衡工具。 Traefik 2.11.8及之前版本和v3.1.2及之前版本存在安全漏洞，该漏洞源于HTTP/1.1协议下通过HTTP Connection头定义某些特定HTTP头作为跳跃头，导致这些头可以被移除或在某些情况下被篡改。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
traefik traefik < 2.11.9 -

II. Public POCs for CVE-2024-45410

# POC Description Source Link Shenlong Link
1 A proof of concept of traefik CVE to understand the impact https://github.com/jphetphoumy/traefik-CVE-2024-45410-poc POC Details
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Qwen3.6-35B-A3B · 5968 chars
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III. Intelligence Information for CVE-2024-45410

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Vendor Advisories for CVE-2024-45410 (1)

Vendor Pages for CVE-2024-45410 (1)

IV. Related Vulnerabilities

Same product: traefik
Same vendor: traefik
Same weakness: CWE-345

V. Comments for CVE-2024-45410

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