CVE-2022-39271 (GCVE-0-2022-39271)

Vulnerability from cvelistv5 – Published: 2022-10-11 00:00 – Updated: 2025-04-23 16:51
VLAI
Title
Traefik HTTP/2 connections management could cause a denial of service
Summary
Traefik (pronounced traffic) is a modern HTTP reverse proxy and load balancer that assists in deploying microservices. 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. There has been a patch released in versions 2.8.8 and 2.9.0-rc5. There are currently no known workarounds.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 15:50 UTC
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7637 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
traefik traefik Affected: < 2.8.8
Affected: >= 2.9.0-rc1, < 2.9.0-rc5
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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