Main Vulnerability Database Vulnerabilities #VU34733

Improper Certificate Validation in Traefik - CVE-2020-9321

Published: March 16, 2020 / Updated: August 8, 2020

Vulnerability identifier: #VU34733

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2020-9321

CWE-ID: CWE-295

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Containous

Affected software:
Traefik

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

configurationwatcher.go in Traefik 2.x before 2.1.4 and TraefikEE 2.0.0 mishandles the purging of certificate contents from providers before logging.

Install update from vendor's website.