Input validation error in Joomla! - CVE-2020-11890
Published: April 22, 2020 / Updated: June 3, 2020
Vulnerability identifier: #VU27078
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2020-11890
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Joomla!
Affected software:
Joomla!
Joomla!
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to insufficient validation of user-supplied input in the usergroup table class. A remote attacker can pass specially crafted input to the application, leading to a broken ACL configuration.
How to mitigate CVE-2020-11890
Install updates from vendor's website.