VULNERABILITY INTELLIGENCE
CVE-2011-4197
CVSS score7.5 HIGH
EPSS probability1.92%
CISA KEVNot currently listed
Published2012-01-03
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P
Description
etc/inc/certs.inc in the PKI implementation in pfSense before 2.0.1 creates each X.509 certificate with a true value for the CA basic constraint, which allows remote attackers to create sub-certificates for arbitrary subjects by leveraging the private key.