VULNERABILITY INTELLIGENCE
CVE-2011-5239
CVSS score5.8 MEDIUM
EPSS probability0.53%
CISA KEVNot currently listed
Published2012-11-06
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:P/I:P/A:N
Description
CiviCRM 4.0.5 and 4.1.1 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.
Weakness classification
- CWE-20: Improper Input Validation