CVE-2022-39271

CVSS V2 None CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2022-39271
  • Assigner
  • security-advisories@github.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-10-11T14:15:09
  • Last Modified Date
  • 2022-10-13T16:39:32
Weakness Enumerations
CWE URL
CWE-400 http://cwe.mitre.org/data/definitions/400.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:* 1 OR 2.8.8
cpe:2.3:a:traefik:traefik:2.9.0:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:traefik:traefik:2.9.0:rc2:*:*:*:*:*:* 1 OR
cpe:2.3:a:traefik:traefik:2.9.0:rc3:*:*:*:*:*:* 1 OR
cpe:2.3:a:traefik:traefik:2.9.0:rc4:*:*:*:*:*:* 1 OR
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/traefik/traefik/releases/tag/v2.8.8
https://github.com/traefik/traefik/security/advisories/GHSA-c6hx-pjc3-7fqr
https://github.com/traefik/traefik/releases/tag/v2.9.0-rc5
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2022-39271
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-39271
History
Created Old Value New Value Data Type Notes
2022-10-11 15:01:20 Added to TrackCVE
2022-12-07 06:05:01 2022-10-11T14:15Z 2022-10-11T14:15:09 CVE Published Date updated
2022-12-07 06:05:01 2022-10-13T16:39:32 CVE Modified Date updated
2022-12-07 06:05:01 Analyzed Vulnerability Status updated