Learn about CVE-2021-28146 affecting Grafana Enterprise 7.4.x before 7.4.5, allowing authenticated users to manipulate team permissions, potentially leading to unauthorized access and data breaches.
A detailed analysis of CVE-2021-28146 highlighting the vulnerability found in Grafana Enterprise 7.4.x before 7.4.5 due to an Incorrect Access Control issue, allowing unauthorized access and potential data breaches.
Understanding CVE-2021-28146
This section provides insights into the nature of the vulnerability and its implications on affected systems.
What is CVE-2021-28146?
The team sync HTTP API in Grafana Enterprise 7.4.x before 7.4.5 has an Incorrect Access Control issue. On Grafana instances using an external authentication service, this vulnerability allows any authenticated user to add external groups to existing teams, potentially granting unauthorized permissions.
The Impact of CVE-2021-28146
The vulnerability poses a significant risk to affected systems as it enables authenticated users to manipulate team permissions, leading to potential data leaks and unauthorized access.
Technical Details of CVE-2021-28146
Explore the technical aspects of CVE-2021-28146 to understand its manifestation and exploitation.
Vulnerability Description
The Incorrect Access Control issue in Grafana Enterprise 7.4.x before 7.4.5 allows authenticated users to add external groups to teams, potentially granting undue permissions.
Affected Systems and Versions
All instances of Grafana Enterprise 7.4.x before version 7.4.5 are susceptible to this vulnerability, especially in environments utilizing external authentication services.
Exploitation Mechanism
By leveraging the vulnerability, authenticated users can add external groups to teams, potentially gaining unauthorized permissions within the Grafana instance.
Mitigation and Prevention
Discover the strategies to mitigate the risks associated with CVE-2021-28146 and prevent potential security breaches.
Immediate Steps to Take
Ensure immediate application of the security patch provided by Grafana Enterprise to address this vulnerability and prevent exploitation.
Long-Term Security Practices
Implement stringent access control policies and regular security audits to fortify system defenses against similar vulnerabilities in the future.
Patching and Updates
Regularly update Grafana Enterprise to the latest version, ensuring that all security patches are applied promptly to safeguard against known vulnerabilities.