Unscored severity · published Nov 6, 2012
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…
–
CVSS
0.5%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CI
Civicrm · Civicrm
4.0.5; 4.1.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-5239
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-5239
www.unrest.ca
http://www.unrest.ca/peerjacking
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