Traefik
CVE-2022-39271
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
Traefik (pronounced traffic) is a modern HTTP reverse proxy and load balancer that assists in deploying microservices. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.
Technical ContextAI
This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. 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. Affected products include: Traefik.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.
Traefik is an open source HTTP reverse proxy and load balancer. Rated high severity (CVSS 7.5), this vulnerability is re
types/types.go in Containous Traefik 1.7.x through 1.7.11, when the --api flag is used and the API is publicly reachable
Traefik is an open source HTTP reverse proxy and load balancer. Rated medium severity (CVSS 6.5), this vulnerability is
Traefik is an open source HTTP reverse proxy and load balancer. Rated medium severity (CVSS 6.5), this vulnerability is
Traefik (pronounced traffic) is an HTTP reverse proxy and load balancer. Rated high severity (CVSS 8.8), this vulnerabil
Traefik before 2.10.5 and 3.0.0-beta4 is affected by a denial-of-service vulnerability in HTTP/2 request handling inheri
In Traefik before versions 1.7.26, 2.2.8, and 2.3.0-rc3, there exists a potential open redirect vulnerability in Traefik
Traefik is an HTTP reverse proxy and load balancer. Rated high severity (CVSS 8.1), this vulnerability is remotely explo
Identity/authorization header spoofing in Traefik reverse proxy (before v2.11.51, v3.6.22, and v3.7.6) lets an attacker
Traefik reverse proxy and load balancer contains an mTLS authentication bypass vulnerability that allows attackers to ci
Traefik versions before 2.11.38 and 3.6.9 allow remote attackers to cause denial of service by sending incomplete TLS re
Denial of service in Traefik versions prior to 3.6.8 allows unauthenticated remote attackers to exhaust connection resou
Same weakness CWE-400 – Uncontrolled Resource Consumption
View allSame technique Denial Of Service
View allShare
External POC / Exploit Code
Leaving vuln.today