CVE-2019-20894

HIGH

Traefik 2.0.0-2.0.0 - Improper Certificate Validation

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/containous/traefik/issues/5312

Scores

CVSS v3 7.5
EPSS 0.0156
EPSS Percentile 72.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-295
Status published
Products (2)
traefik/traefik 0 - 2.2.2Go
traefik/traefik 2.0.0 - 2.0.1
Published Jul 02, 2020
Tracked Since Feb 18, 2026