Main Vulnerability Database Vulnerabilities #VU27077

#VU27077 Improper access control in Joomla! - CVE-2020-11889

Published: April 22, 2020

Vulnerability identifier: #VU27077

Vulnerability risk: High

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2020-11889

CWE-ID: CWE-284

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Joomla!

Software vendor:
Joomla!

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in "com_users" access level deletion function. A remote attacker can bypass implemented security restrictions and delete the usergroups.

Remediation

Install updates from vendor's website.

External links

https://developer.joomla.org/security-centre/811-20200403-core-incorrect-access-control-in-com-users-access-level-deletion-function