Authentication Bypass Affecting urllib3 package, versions [,1.23)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.5% (78th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-PYTHON-URLLIB3-72681
  • published12 Dec 2018
  • disclosed11 Dec 2018
  • creditUnknown

Introduced: 11 Dec 2018

CVE-2018-20060  (opens in a new tab)
CWE-288  (opens in a new tab)

How to fix?

Upgrade urllib3 to version 1.23 or higher.

Overview

urllib3 is a HTTP library with thread-safe connection pooling, file post, and more.

Affected versions of this package are vulnerable to Authentication Bypass. It did remove the Authorization HTTP header when following a cross-origin redirect. This can allow for credentials in the Authorization header to be exposed to unintended hosts or transmitted in cleartext.

CVSS Scores

version 3.1