CVE-2019-11324
Improper Certificate Validation in urllib3
7.5
HIGH
CVSS 3.1
EPSS 1.0%
Description
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 verification failure is the correct outcome. This is related to use of the ssl_context, ca_certs, or ca_certs_dir argument.
How to fix CVE-2019-11324
To remediate CVE-2019-11324, upgrade the affected package to a fixed version below.
- —upgrade to 1.25.6-4 or later
- —upgrade to 1.24.2 or later
- —upgrade to 1.24.2 or later
Is CVE-2019-11324 being exploited?
Low — EPSS is 1.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.25.6-4
- from 0, < 1.24.2
- from 0, < 1.24.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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 |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |