High severity · published Nov 4, 2016
CVE-2016-8870
The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4, when registration has been disabled, allows remote…
8.1
CVSS
81.1%
EPSS
No
On KEV
Description
The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4, when registration has been disabled, allows remote attackers to create user accounts by leveraging failure to check the Allow User Registration configuration setting.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)81.1% · higher than 100% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JO
Joomla · Joomla
through 3.6.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-8870
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-8870
Third Party Advisory
http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privesc
Third Party Advisory
http://www.securityfocus.com/bid/93876
www.securitytracker.com
http://www.securitytracker.com/id/1037107
Third Party Advisory
http://www.securitytracker.com/id/1037108
blog.sucuri.net
https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.html
Vendor Advisory
https://developer.joomla.org/security-centre/659-20161001-core-account-creation.html
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