Vulnerability in Python Urllib3

CVE-2019-11324

The urllib3 library before 1.24.2 for Python mishandles certain cases where the desired set of CA certificates is different from the OS store of CA certificates, which results in SSL connections succeeding in situations where a verificatio…

Vulnerability class: Improper Certificate Validation

EPSS: 0.028 (85.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-11324?
CVE-2019-11324 is a high-severity vulnerability in Python Urllib3, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2019-04-18.
How severe is CVE-2019-11324?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2019-11324 known to be exploited?
8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.