CVE-2023-47633

Name: CVE-2023-47633
Creator: NVD / NIST
Published: 2023-12-04T21:15:34.063+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.27%

Last modified Jun 17, 2026

CVE-2023-47633 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Traefik is an open source HTTP reverse proxy and load balancer. The traefik docker container uses 100% CPU when it serves as its own backend, which is an automatically generated route resulting from the Docker integration in the default configuration. EPSS estimates a 1.27% chance of exploitation in the next 30 days.

Description

Traefik is an open source HTTP reverse proxy and load balancer. The traefik docker container uses 100% CPU when it serves as its own backend, which is an automatically generated route resulting from the Docker integration in the default configuration. This issue has been addressed in versions 2.10.6 and 3.0.0-beta5. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.27%

66.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions	Update
Traefik	Traefik	<= 2.10.5	—
Traefik	Traefik	3.0.0	Beta1

References

https://github.com/traefik/traefik/releases/tag/v2.10.6Release Notes
https://github.com/traefik/traefik/releases/tag/v3.0.0-beta5Release Notes
https://github.com/traefik/traefik/security/advisories/GHSA-6fwg-jrfw-ff7pExploit, Third Party Advisory
https://github.com/traefik/traefik/releases/tag/v2.10.6Release Notes
https://github.com/traefik/traefik/releases/tag/v3.0.0-beta5Release Notes
https://github.com/traefik/traefik/security/advisories/GHSA-6fwg-jrfw-ff7pExploit, Third Party Advisory

Timeline

Published: Dec 4, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-47633?

How severe is CVE-2023-47633?

CVE-2023-47633 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.27% probability of exploitation in the next 30 days.

How do I fix CVE-2023-47633?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-47633?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST