Description
Joomla! Core is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently read data. Joomla! Core versions 3.x.x ranging from 3.0.0 and up to and including 3.4.4 are vulnerable.
Remediation
Update to Joomla! Core version 3.4.5 or latest
References
Related Vulnerabilities
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Apache Tomcat Improper Resource Shutdown or Release Vulnerability (CVE-2017-5650)