VULNERABILITY INTELLIGENCE

CVE-2011-5237

CVSS score5.8 MEDIUM

EPSS probability0.53%

CISA KEVNot currently listed

Published2012-11-06

Last modified2026-06-16

Description

PayPal WPS ToolKit does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.