CVEvulnerability
CVE-2024-39321
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2024-07-05
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-639
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.
Affected configurations
• traefik traefik (< 2.11.6)
• traefik traefik (>= 3.0.0 < 3.0.4)
• traefik traefik 3.1.0
Related
Weakness · CWE (1)
- CWE-639 Authorization Bypass Through User-Controlled Key weakness
References
- 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