7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
36.5%
There is a potential vulnerability in Traefik managing HTTP/2 connections.
A closing HTTP/2 server connection could hang forever because of a subsequent fatal error. This failure mode could be exploited to cause a denial of service.
Traefik v2.8.x: https://github.com/traefik/traefik/releases/tag/v2.8.8
Traefik v2.9.x: https://github.com/traefik/traefik/releases/tag/v2.9.0-rc5
No workaround.
If you have any questions or comments about this advisory, please open an issue.
CPE | Name | Operator | Version |
---|---|---|---|
github.com/traefik/traefik/v2 | lt | 2.9.0-rc5 | |
github.com/traefik/traefik/v2 | lt | 2.8.8 | |
github.com/traefik/traefik/v2 | ge | 2.9.0-rc1 |