CVE-2019-20894

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Traefik versiones 2.x, en determinadas configuraciones, permite a unas sesiones HTTPS continuar sin verificación mutua de TLS en una situación donde ERR_BAD_SSL_CLIENT_AUTH_CERT debería haber ocurrido

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-07-02 CVE Reserved
2020-07-02 CVE Published
2024-06-08 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-295: Improper Certificate Validation

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://github.com/containous/traefik/issues/5312	2024-08-05

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Traefik Search vendor "Traefik"		Traefik Search vendor "Traefik" for product "Traefik"				>= 2.0.0 < 2.0.1 Search vendor "Traefik" for product "Traefik" and version " >= 2.0.0 < 2.0.1"		-		Affected