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 ranging from 2.5.0 and up to and including 3.9.19 are vulnerable.

Remediation

Update to Joomla! Core version 3.9.20 or latest

References

https://developer.joomla.org/security-centre/819-20200702-core-missing-checks-can-lead-to-a-broken-usergroups-table-record.html

Related Vulnerabilities

PHP Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2018-10545)

Moodle Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2021-32472)

WordPress 4.0.x Multiple Vulnerabilities (4.0 - 4.0.20)

IBM RTC Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2018-1761)

MySQL Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2012-5615)

Severity

High

Classification

CVE-2020-15699 CWE-264 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Tags

Missing Update Authentication Bypass