Insufficient verification of data authenticity in Traefik - CVE-2024-45410

 

Insufficient verification of data authenticity in Traefik - CVE-2024-45410

Published: September 19, 2024 / Updated: May 5, 2026


Vulnerability identifier: #VU129661
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-45410
CWE-ID: CWE-345
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass security controls by removing or manipulating trusted forwarded headers.

The vulnerability exists due to insufficient verification of data authenticity in Traefik HTTP header handling when processing HTTP/1.1 requests with hop-by-hop headers declared through the Connection header. A remote attacker can send a specially crafted request to bypass security controls by removing or manipulating trusted forwarded headers.

Some backend frameworks may treat underscore and hyphen variants of forwarded header names equivalently, which can allow attacker-supplied replacement values to be used. Client certificate-related forwarded headers are also affected when client certificate authentication is enabled.


Affected software

Traefik
Red Hat OpenShift Dev Spaces

How to mitigate CVE-2024-45410

Install security update from vendor's website.

Traefik - addressed in versions 2.11.9, 3.1.3
Red Hat OpenShift Dev Spaces - update to 3.21.0

External References

Related Security Bulletins