VULNERABILITY INTELLIGENCE
CVE-2014-1582
CVSS score4.3 MEDIUM
EPSS probability1.19%
CISA KEVNot currently listed
Published2014-10-15
Last modified2026-06-17
CVSS vectorAV:N/AC:M/Au:N/C:N/I:P/A:N
Description
The Public Key Pinning (PKP) implementation in Mozilla Firefox before 33.0 does not properly consider the connection-coalescing behavior of SPDY and HTTP/2 in the case of a shared IP address, which allows man-in-the-middle attackers to bypass an intended pinning configuration and spoof a web site by providing a valid certificate from an arbitrary recognized Certification Authority.