Learn about CVE-2021-27962 impacting Grafana Enterprise versions 7.2.x, 7.3.x, and 7.4.x. Understand the vulnerability, its impact, affected systems, and mitigation steps.
Grafana Enterprise versions 7.2.x and 7.3.x before 7.3.10, and 7.4.x before 7.4.5, have a vulnerability that allows a dashboard editor to bypass permission checks related to accessing certain data sources.
Understanding CVE-2021-27962
This CVE focuses on a security issue within Grafana Enterprise versions that could potentially lead to unauthorized data access.
What is CVE-2021-27962?
The CVE-2021-27962 vulnerability in Grafana Enterprise versions 7.2.x, 7.3.x, and 7.4.x enables a dashboard editor to circumvent permission controls regarding specific data sources that they are not supposed to access.
The Impact of CVE-2021-27962
Exploitation of this vulnerability could result in unauthorized access to sensitive data, potentially leading to data breaches and confidentiality issues.
Technical Details of CVE-2021-27962
This section dives into the specifics of the vulnerability.
Vulnerability Description
Grafana Enterprise versions 7.2.x, 7.3.x, and 7.4.x allow a dashboard editor to bypass permission checks associated with certain data sources, granting unauthorized access.
Affected Systems and Versions
The affected versions include Grafana Enterprise 7.2.x, 7.3.x before 7.3.10, and 7.4.x before 7.4.5.
Exploitation Mechanism
By leveraging this vulnerability, a dashboard editor could exploit the permission check bypass to access restricted data sources within Grafana Enterprise.
Mitigation and Prevention
Protecting systems from CVE-2021-27962 is crucial to maintain data security.
Immediate Steps to Take
Users are advised to update Grafana Enterprise to versions 7.3.10 and 7.4.5 to mitigate this vulnerability. Additionally, review and adjust dashboard editor permissions.
Long-Term Security Practices
Regularly update Grafana Enterprise to the latest versions, enforce the principle of least privilege, and monitor data source access.
Patching and Updates
Stay informed about security updates and ensure timely installation of patches and fixes to address vulnerabilities like CVE-2021-27962.