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CVE-2022-39271Date: (C)2022-10-12   (M)2023-12-22


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.5CVSS Score :
Exploit Score: 3.9Exploit Score:
Impact Score: 3.6Impact Score:
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector:
Attack Complexity: LOWAccess Complexity:
Privileges Required: NONEAuthentication:
User Interaction: NONEConfidentiality:
Scope: UNCHANGEDIntegrity:
Confidentiality: NONEAvailability:
Integrity: NONE 
Availability: HIGH 
  
Reference:
https://github.com/traefik/traefik/releases/tag/v2.8.8
https://github.com/traefik/traefik/releases/tag/v2.9.0-rc5
https://github.com/traefik/traefik/security/advisories/GHSA-c6hx-pjc3-7fqr

CWE    1
CWE-755

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