TLS Configuration Issue in Traefik 2.x Affects Secure Communication
CVE-2019-20894

7.5HIGH

Key Information:

Vendor

Traefik

Status
Traefik
Vendor
CVE Published:
2 July 2020

What is CVE-2019-20894?

In certain configurations of Traefik 2.x, the system allows HTTPS sessions to proceed without mutual TLS verification, enabling scenarios where secure communication can be compromised. This behavior occurs in instances where ERR_BAD_SSL_CLIENT_AUTH_CERT should rightly be triggered, thus risking the integrity of secure communications.

References

https://github.com/containous/traefik/issues/5312
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.