CVE-2024-39321

Traefik is an HTTP reverse proxy and load balancer. Versions prior to 2.11.6, 3.0.4, and 3.1.0-rc3 have a vulnerability that allows bypassing IP allow-lists via HTTP/3 early data requests in QUIC 0-RTT handshakes sent with spoofed IP addresses. Versions 2.11.6, 3.0.4, and 3.1.0-rc3 contain a patch for this issue. No known workarounds are available.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/traefik/traefik/releases/tag/v2.11.6	Release Notes
https://github.com/traefik/traefik/releases/tag/v3.0.4	Release Notes
https://github.com/traefik/traefik/releases/tag/v3.1.0-rc3	Release Notes
https://github.com/traefik/traefik/security/advisories/GHSA-gxrv-wf35-62w9	Patch Vendor Advisory
https://github.com/traefik/traefik/releases/tag/v2.11.6	Release Notes
https://github.com/traefik/traefik/releases/tag/v3.0.4	Release Notes
https://github.com/traefik/traefik/releases/tag/v3.1.0-rc3	Release Notes
https://github.com/traefik/traefik/security/advisories/GHSA-gxrv-wf35-62w9	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:traefik:traefik::::::::
	cpe:2.3:a:traefik:traefik::::::::
	cpe:2.3:a:traefik:traefik:3.1.0:-::::::
	cpe:2.3:a:traefik:traefik:3.1.0:rc1::::::
	cpe:2.3:a:traefik:traefik:3.1.0:rc2::::::

History

No history.

Information

Published : 2024-07-05 18:15

Updated : 2025-11-25 14:08

NVD link : CVE-2024-39321

Mitre link : CVE-2024-39321

CVE.ORG link : CVE-2024-39321

JSON object : View

Products Affected

traefik

traefik

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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