CVE-2024-39321
July 05, 2024
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 Packages
github.com/traefik/traefik/v3 (GO):
Affected version(s) >=v3.0.0-beta3 <v3.0.4Fix Suggestion:
Update to version v3.0.4github.com/traefik/traefik/v2 (GO):
Affected version(s) >=v2.0.0-rc1 <v2.11.6Fix Suggestion:
Update to version v2.11.6github.com/traefik/traefik/v3 (GO):
Affected version(s) >=v3.1.0-rc1 <v3.1.0-rc3Fix Suggestion:
Update to version v3.1.0-rc3Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Authorization Bypass Through User-Controlled Key
EPSS
Base Score:
0.18
