Resource exhaustion in Traefik
CVE-2023-47633
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.013 (68.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Traefik — versions 3.0.0, >= 3.0.0-beta1, < 3.0.0-beta5, < 2.10.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/traefik/traefik/security/advisories/GHSA-6fwg-jrfw-ff7p (Exploit, Third Party Advisory)
- github.com/traefik/traefik/releases/tag/v2.10.6 (Release Notes)
- github.com/traefik/traefik/releases/tag/v3.0.0-beta5 (Release Notes)
Frequently asked questions
- What is CVE-2023-47633?
- CVE-2023-47633 is a high-severity vulnerability in Traefik, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-12-04.
- How severe is CVE-2023-47633?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-47633 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.