CVE-2013-7440
5.9
MEDIUM
CVSS 3.1
EPSS 0.36%
Description
The ssl.match_hostname function in CPython (aka Python) before 2.7.9 and 3.x before 3.3.3 does not properly handle wildcards in hostnames, which might allow man-in-the-middle attackers to spoof servers via a crafted certificate.
How to fix CVE-2013-7440
To remediate CVE-2013-7440, upgrade the affected package to a fixed version below.
- Debian/python2.7—upgrade to 2.7.9-1 or later
Is CVE-2013-7440 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.7.9-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |