CVE-2019-20902 : Vulnerability Insights and Analysis

Crowd by Atlassian is susceptible to a Broken Access Control vulnerability, allowing the reactivation of disabled users in OpenLDAP. This CVE affects versions prior to 3.4.6 and between 3.5.0 to 3.5.1.

Understanding CVE-2019-20902

This CVE involves a security issue in Crowd by Atlassian that enables the reactivation of disabled users in OpenLDAP through XML Data Transfer.

What is CVE-2019-20902?

The vulnerability in Crowd by Atlassian allows unauthorized reactivation of disabled users in OpenLDAP by upgrading the software through XML Data Transfer.

The Impact of CVE-2019-20902

The security flaw poses a risk of unauthorized user reactivation, potentially leading to unauthorized access and compromised system security.

Technical Details of CVE-2019-20902

Crowd by Atlassian is affected by a Broken Access Control vulnerability, as detailed below:

Vulnerability Description

The vulnerability enables the reactivation of disabled users in OpenLDAP through XML Data Transfer in Crowd by Atlassian.

Affected Systems and Versions

Versions prior to 3.4.6
Versions between 3.5.0 and 3.5.1

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to reactivate disabled users in OpenLDAP by manipulating XML Data Transfer in the affected versions of Crowd.

Mitigation and Prevention

To address CVE-2019-20902 and enhance system security, consider the following steps:

Immediate Steps to Take

Upgrade Crowd to version 3.4.6 or higher to mitigate the vulnerability.
Monitor user reactivation activities for any suspicious behavior.

Long-Term Security Practices

Implement strict access controls and user permissions to prevent unauthorized user reactivation.
Regularly review and update security configurations to address potential vulnerabilities.

Patching and Updates

Apply security patches and updates provided by Atlassian promptly to address the vulnerability and enhance system security.