CVE-2011-5239

2022-10-0316:15:11

mitre

www.cve.org

civicrm

certificate validation

vulnerability

ssl

server

x.509

6.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

40.6%

JSON

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.

References

www.unrest.ca/peerjacking