CVE-2021-43200 : What You Need to Know

In JetBrains TeamCity before 2021.1.2, permission checks in the Agent Push functionality were insufficient.

Understanding CVE-2021-43200

In this CVE, JetBrains TeamCity before version 2021.1.2 was susceptible to insufficient permission checks in the Agent Push functionality.

What is CVE-2021-43200?

This CVE refers to a security vulnerability in JetBrains TeamCity where permission verifications in the Agent Push feature were inadequate.

The Impact of CVE-2021-43200

The vulnerability could allow unauthorized access by agents in TeamCity, potentially leading to security breaches and data compromise.

Technical Details of CVE-2021-43200

JetBrains TeamCity before 2021.1.2 was affected by a security flaw related to permission checks in the Agent Push feature.

Vulnerability Description

Insufficient permission checks in the Agent Push functionality of JetBrains TeamCity before version 2021.1.2 could enable unauthorized agents to perform actions without proper verification.

Affected Systems and Versions

Product: JetBrains TeamCity
Vendor: JetBrains
Vulnerable Version: Before 2021.1.2

Exploitation Mechanism

Attackers could exploit this vulnerability by leveraging the inadequate permission checks to access resources and manipulate agent functionalities.

Mitigation and Prevention

To address CVE-2021-43200, users and administrators should take immediate and long-term security measures.

Immediate Steps to Take

Update JetBrains TeamCity to version 2021.1.2 or later to patch the vulnerability.
Monitor and restrict agent access to prevent unauthorized activities.

Long-Term Security Practices

Implement regular security assessments to detect and address vulnerabilities promptly.
Educate users on secure coding practices and the importance of permission controls.

Patching and Updates

Ensure timely installation of software updates and security patches to mitigate potential risks and enhance the security posture of JetBrains TeamCity.