CVE-2019-20894: GO-2022-0774 - Improper Authentication in github.com/containous/traefik

CVE-2019-20894 · Severity: low · CVSS 3.1 · Published 2024-08-21

Improper Authentication in github.com/containous/traefik

Technologies: github.com/containous/traefik (Go), github.com/containous/traefik/v2 (Go), github.com/traefik/traefik/v2 (Go). Vendors: Go.

Quick answers

Is CVE-2019-20894 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2019-20894 being exploited in the wild.
How severe is CVE-2019-20894?
Low severity, with a CVSS score of 3.1, published 21 August 2024.
Which products and versions are affected?
github.com/containous/traefik (Go) SEMVER:introduced=0; github.com/containous/traefik/v2 (Go) SEMVER:introduced=0,fixed=2.2.2; github.com/traefik/traefik/v2 (Go) SEMVER:introduced=0,fixed=2.2.2.
Is there a fix for CVE-2019-20894?
Yes. github.com/containous/traefik/v2 (Go): upgrade to 2.2.2 or later; github.com/traefik/traefik/v2 (Go): upgrade to 2.2.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2019-20894?
Check whether you run github.com/containous/traefik (Go), github.com/containous/traefik/v2 (Go) or github.com/traefik/traefik/v2 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/containous/traefik/v2 (Go): upgrade to 2.2.2 or later
    go get github.com/containous/traefik/v2@v2.2.2
  • github.com/traefik/traefik/v2 (Go): upgrade to 2.2.2 or later
    go get github.com/traefik/traefik/v2@v2.2.2

Affected products

  • github.com/containous/traefik (Go) SEMVER:introduced=0
  • github.com/containous/traefik/v2 (Go) SEMVER:introduced=0,fixed=2.2.2
  • github.com/traefik/traefik/v2 (Go) SEMVER:introduced=0,fixed=2.2.2

Identifiers

  • CVE-2019-20894
  • GHSA-q9mp-79cp-9g8j
  • GO-2022-0774

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