Vulnerability Details : CVE-2022-39271

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.
Published 2022-10-11 14:15:10
Updated 2023-07-14 18:17:01
Source GitHub, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2022-39271

Exploit prediction scoring system (EPSS) score for CVE-2022-39271

EPSS FAQ
0.09%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-39271

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 NIST
7.5
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 GitHub, Inc.

CWE ids for CVE-2022-39271

  • The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
    Assigned by: security-advisories@github.com (Secondary)
  • The product does not handle or incorrectly handles an exceptional condition.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-39271

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