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MEDIUM · 5.8

CVE-2011-5239

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-middl...

Vulnerability 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.

CVSS Score

5.8

MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:N
Confidentiality
PARTIAL
Integrity
PARTIAL
Availability
NONE

Affected Products

VendorProductVersions
CivicrmCivicrm4.0.5

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2011-5239?

CVE-2011-5239 is a vulnerability with a CVSS score of 5.8 (MEDIUM). 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-middl...

How severe is CVE-2011-5239?

CVE-2011-5239 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2011-5239?

Check the references section above for vendor advisories and patch information. Affected products include: Civicrm Civicrm.