CVE-2024-39321CWE-639

Traefik vulnerable to bypassing IP allow-lists via HTTP/3 early data requests in QUIC 0-RTT handshakes

High · published July 5, 2024

CVSS v3.1
7.5
EPSS
1%
Percentile
47.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00594 · 47.7th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2024-07-05T17:32Z
EPSS history
Timeline
  • 05 JUL 17:32Z
    Traefik vulnerable to bypassing IP allow-lists via HTTP/3 early data requests in QUIC 0-RTT handshakes
    cvelistv5