CVE-2019-20894

CVSS V2 Medium 4.3 CVSS V3 High 7.5

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.

Overview

CVE ID
CVE-2019-20894

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2020-07-02T16:15:11

Last Modified Date
2021-07-28T00:44:16

Weakness Enumerations

CWE	URL
CWE-295	http://cwe.mitre.org/data/definitions/295.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:traefik:traefik::::::::	1	OR	2.0.0	2.0.1

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:N/C:P/I:N/A:N

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
4.3

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://github.com/containous/traefik/issues/5312	Exploit Issue Tracking Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2019-20894
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20894

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 15:52:42				Added to TrackCVE
2022-12-04 19:07:46	2020-07-02T16:15Z	2020-07-02T16:15:11	CVE Published Date	updated
2022-12-04 19:07:46		2021-07-28T00:44:16	CVE Modified Date	updated
2022-12-04 19:07:46		Analyzed	Vulnerability Status	updated