CVE-2020-15826 Explained : Impact and Mitigation

In JetBrains TeamCity before 2020.1, users can assign more permissions than they have.

Understanding CVE-2020-15826

In this CVE, a vulnerability in JetBrains TeamCity allows users to exceed their assigned permissions.

What is CVE-2020-15826?

The vulnerability in JetBrains TeamCity before version 2020.1 enables users to assign themselves additional permissions beyond their authorized level.

The Impact of CVE-2020-15826

This vulnerability could lead to unauthorized access to sensitive information, manipulation of data, or disruption of services within the affected system.

Technical Details of CVE-2020-15826

The technical aspects of the CVE.

Vulnerability Description

Users in JetBrains TeamCity before 2020.1 can grant themselves more permissions than intended, potentially compromising system security.

Affected Systems and Versions

Product: JetBrains TeamCity
Vendor: JetBrains
Versions affected: All versions before 2020.1

Exploitation Mechanism

The vulnerability allows users to manipulate permissions settings within the TeamCity platform, granting themselves elevated access.

Mitigation and Prevention

Steps to address and prevent the CVE.

Immediate Steps to Take

Update JetBrains TeamCity to version 2020.1 or later to mitigate the vulnerability.
Review and adjust user permissions to ensure they align with the principle of least privilege.

Long-Term Security Practices

Regularly review and update user permissions to prevent unauthorized access.
Conduct security training for users to raise awareness of proper permission management practices.

Patching and Updates

Apply security patches and updates provided by JetBrains promptly to address known vulnerabilities and enhance system security.