CVE-2024-39321

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CVSS 3.1

7.5 high

EPSS

<1%p46

Published

Jul 5, 2024 (Jul 5, 2024)

Modified

Jun 17, 2026

Description

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.

Vendors: traefik
Products: traefik
Weakness: CWE-639
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.6%)

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