Description

Joomla! Core is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to bypass intended access restrictions and perform otherwise restricted actions. Joomla! Core versions 3.x.x ranging from 3.0.0 and up to and including 3.9.23 are vulnerable.

Remediation

Update to Joomla! Core version 3.9.24 or latest

References

https://developer.joomla.org/security-centre/836-20210101-core-com-modules-exposes-module-names.html

Related Vulnerabilities

Moodle Other Vulnerability (CVE-2006-4786)

WordPress Plugin Appointment Booking Calendar CSV Injection (1.3.34)

WordPress Plugin Login Logout Menu Multiple Cross-Site Scripting Vulnerabilities (1.3.3)

Moodle Improper Access Control Vulnerability (CVE-2020-25629)

Oracle JRE CVE-2013-5783 Vulnerability (CVE-2013-5783)

Severity

High

Classification

CVE-2021-23123 CWE-264 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update Authentication Bypass