CVE-2013-2100: Gentoo Portage

High severity, CVSS 9.3. EPSS: 1.6% chance of exploitation in the next 30 days.

The urlopen function in pym/portage/util/_urlopen.py in Gentoo Portage 2.1.12, when using HTTPS, does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and modify binary package lists via a crafted certificate.

Affected products

• Gentoo Portage: version 2.1.12 only

Published 2014-09-29. Last modified 2026-06-16.