CVE-2015-3206: Apple Pykerberos

High severity, CVSS 8.1. EPSS: 2.4% chance of exploitation in the next 30 days.

The checkPassword function in python-kerberos does not authenticate the KDC it attempts to communicate with, which allows remote attackers to cause a denial of service (bad response), or have other unspecified impact by performing a man-in-the-middle attack.

Affected products

• Apple Pykerberos: affected versions not specified

Published 2017-08-25. Last modified 2026-06-17.