Vulnerability in Traefik
CVE-2022-46153
Traefik is an open source HTTP reverse proxy and load balancer. In affected versions there is a potential vulnerability in Traefik managing TLS connections. A router configured with a not well-formatted TLSOption is exposed with an empty TLSOption. For instance, a route secured using an mTLS connection set with a wrong CA file is exposed without verifying the client certificates. Users are advised to upgrade to version 2.9.6. Users unable to upgrade should check their logs to detect the error messages and fix your TLS options.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.005 (41.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Traefik — versions < 2.9.6
Weakness classification (CWE)
References
- github.com/traefik/traefik/security/advisories/GHSA-468w-8x39-gj5v (Patch, Third Party Advisory, Mitigation)
- github.com/traefik/traefik/commit/7e3fe48b80083b41e9ff82a474a36484cabc701a (Patch, Third Party Advisory)
- doc.traefik.io/traefik/v2.9/https/tls/ (Product, Vendor Advisory)
- github.com/traefik/traefik/releases/tag/v2.9.6 (Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2022-46153?
- CVE-2022-46153 is a high-severity vulnerability in Traefik, classified under Improper Certificate Validation. CVSS score: 8.1/10. Published 2022-12-08.
- How severe is CVE-2022-46153?
- High severity. CVSS v3 base score is 8.1 out of 10.