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

Jenkins Improper Input Validation Vulnerability (CVE-2018-1000068)

Internet Information Services Other Vulnerability (CVE-2001-0507)

Oracle JRE CVE-2020-2800 Vulnerability (CVE-2020-2800)

Jenkins Uncontrolled Resource Consumption Vulnerability (CVE-2021-28165)

Jenkins Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2018-1000192)

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