CVE-2019-20894 — Improper Certificate Validation in Containous Traefik V2

CWE-295 — Improper Certificate ValidationCWE-287 — Improper Authentication5 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.8%
top 26.38%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Github.com Containous Traefik V2Github.com Traefik Traefik V2Traefik
Timeline
PublishedJul 2
Latest updateAug 21

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶NVDtraefik/traefik2.0.0 — 2.0.1

🔴Vulnerability Details

4
OSV
Improper Authentication in github.com/containous/traefik↗2024-08-21
▶
OSV
Improper Authentication↗2021-09-02
▶
GHSA
Improper Authentication↗2021-09-02
▶
CVEList
CVE-2019-20894: Traefik 2↗2020-07-02
▶
CVE-2019-20894 — Improper Certificate Validation | cvebase