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…

PriorityP344high7.5CVSS 3.1

AVNACLPRNUINSUCNIHAN

EPSS

0.59%

43.9th percentile

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.

Affected

8 ranges

Vendor	Product	Version range	Fixed in
github.com	traefik_traefik_v2	>= 0 < 2.11.6	2.11.6
github.com	traefik_traefik_v3	>= 3.0.0-beta3 < 3.0.4	3.0.4
github.com	traefik_traefik_v3	>= 3.1.0-rc1 < 3.1.0-rc3	3.1.0-rc3
traefik	traefik	< 2.11.6	2.11.6
traefik	traefik	—	—
traefik	traefik	—	—
traefik	traefik	—	—
traefik	traefik	>= 3.0.0 < 3.0.4	3.0.4

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

vendor_redhat7.5HIGH

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