Home/CVE/Traefik 2.x, in certain configurations, allows HTTPS sessions to proceed without mutual TLS verification in a situation
CVE

CVE-2019-20894

Traefik 2.x, in certain configurations, allows HTTPS sessions to proceed without mutual TLS verification in a situation

Traefik 2.x, in certain configurations, allows HTTPS sessions to proceed without mutual TLS verification in a situation where ERR_BAD_SSL_CLIENT_AUTH_CERT should have occurred.

HIGH · CVSS 7.5 EPSS 0.00773
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-295Improper Certificate Validation
▤

Affected Products & Versions

1
traefik>= 2.0.0 and < 2.0.1
▤

Affected Packages

3
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/containous/traefik
Go github.com/containous/traefik/v2 fixed in 2.2.2
Go github.com/traefik/traefik/v2 HIGH fixed in 2.2.2
⚠

Public Exploits & PoCs

1
pocgithub.com · 5312github.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Jul 2020 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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