CVE-2020-35616 Explained : Impact and Mitigation

Joomla! CMS versions 1.7.0 through 3.9.22 are affected by a vulnerability that can lead to write ACL violations due to lack of input validation in ACL rulesets handling.

Understanding CVE-2020-35616

This CVE identifies a security issue in Joomla! CMS that allows for write ACL violations.

What is CVE-2020-35616?

This vulnerability in Joomla! CMS versions 1.7.0 through 3.9.22 arises from inadequate input validation in the management of ACL rulesets, potentially enabling unauthorized write ACL violations.

The Impact of CVE-2020-35616

The vulnerability can be exploited to bypass access control restrictions, leading to unauthorized write access and potential data manipulation.

Technical Details of CVE-2020-35616

Joomla! CMS versions 1.7.0 through 3.9.22 are susceptible to the following:

Vulnerability Description

The lack of proper input validation in ACL rulesets handling can result in write ACL violations, compromising the security of the system.

Affected Systems and Versions

Product: Joomla! CMS
Vendor: Joomla! Project
Versions: 1.7.0 - 3.9.22

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to circumvent access controls and perform unauthorized write actions within the system.

Mitigation and Prevention

To address CVE-2020-35616, consider the following steps:

Immediate Steps to Take

Update Joomla! CMS to a patched version that addresses the ACL ruleset handling issue.
Monitor system logs for any suspicious activities indicating potential ACL violations.

Long-Term Security Practices

Implement regular security audits to identify and address vulnerabilities promptly.
Educate users on best practices for access control and data protection.

Patching and Updates

Stay informed about security advisories from Joomla! Project and apply patches promptly to mitigate known vulnerabilities.