CVE-2024-39321

HIGH EPSS 44.0%
Published Jul 5, 20241y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Jul 5, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
44.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-639

Affected Products 5

VendorProductVersionRange
traefiktraefik* <2.11.6
traefiktraefik*≥3.0.0  –  <3.0.4
traefiktraefik3.1.0any
traefiktraefik3.1.0any
traefiktraefik3.1.0any

References 4

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

Remediation

  • github.com https://github.com/traefik/traefik/security/advisories/GHSA-gxrv-wf35-62w9
    PatchVendor Advisory