CVE-2013-7440

MediumCVSS 5.9/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 5.9/10CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-19

Affected software

No affected versions have been published.

Timeline

Published
Jun 7, 2016
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2013-7440: Medium severity, CVSS 5.9 | Vulnix