Improper Certificate Validation Affecting urllib3 package, versions [,1.24.2)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.48% (76th percentile)

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  • Snyk IDSNYK-PYTHON-URLLIB3-174464
  • published18 Apr 2019
  • disclosed18 Apr 2019
  • creditUnknown

Introduced: 18 Apr 2019

CVE-2019-11324  (opens in a new tab)
CWE-295  (opens in a new tab)

How to fix?

Upgrade urllib3 to version 1.24.2 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 Improper Certificate Validation. It mishandles certain cases where the desired set of CA certificates is different from the OS store of CA certificates. This can result in SSL connections succeeding in situations where it should have failed.

References

CVSS Scores

version 3.1