CVE-2020-2302 : Vulnerability Insights and Analysis

A missing permission check in Jenkins Active Directory Plugin 2.19 and earlier allows attackers with Overall/Read permission to access the domain health check diagnostic page.

Understanding CVE-2020-2302

This CVE involves a vulnerability in the Jenkins Active Directory Plugin that could be exploited by attackers with specific permissions.

What is CVE-2020-2302?

The CVE-2020-2302 vulnerability in Jenkins Active Directory Plugin versions 2.19 and earlier enables unauthorized access to the domain health check diagnostic page.

The Impact of CVE-2020-2302

The vulnerability allows attackers with Overall/Read permission to view sensitive diagnostic information, potentially leading to unauthorized actions within the system.

Technical Details of CVE-2020-2302

The technical aspects of the CVE-2020-2302 vulnerability are as follows:

Vulnerability Description

A missing permission check in Jenkins Active Directory Plugin 2.19 and earlier allows unauthorized access to the domain health check diagnostic page.

Affected Systems and Versions

Product: Jenkins Active Directory Plugin
Vendor: Jenkins project
Vulnerable Versions:
Custom versions less than or equal to 2.19
Version 2.16.1 is unaffected

Exploitation Mechanism

Attackers with Overall/Read permission can exploit the vulnerability to access the domain health check diagnostic page.

Mitigation and Prevention

To address CVE-2020-2302, consider the following mitigation strategies:

Immediate Steps to Take

Upgrade Jenkins Active Directory Plugin to a version beyond 2.19
Restrict Overall/Read permissions to minimize the attack surface

Long-Term Security Practices

Regularly review and adjust permissions to follow the principle of least privilege
Monitor and audit access to sensitive pages and functions within Jenkins

Patching and Updates

Apply security patches promptly to ensure protection against known vulnerabilities