CVE-2022-21713 : Security Advisory and Response

Grafana, an open-source platform for monitoring and observability, is affected by a vulnerability that exposes sensitive information through improper handling of user authorization in certain API endpoints. Attackers can exploit this to access unintended data, making it crucial for users to upgrade to secure versions promptly.

Understanding CVE-2022-21713

This CVE highlights a security issue in Grafana versions that could lead to the exposure of sensitive data to unauthorized users due to inadequate user authorization controls.

What is CVE-2022-21713?

The affected Grafana versions have multiple API endpoints that mishandle user authorization, potentially allowing authenticated attackers to access unintended data by querying specific team IDs or searching for teams.

The Impact of CVE-2022-21713

The vulnerability poses a medium severity threat with a CVSS base score of 4.3. Attackers could view sensitive data through certain API endpoints, leading to confidentiality risks.

Technical Details of CVE-2022-21713

This section will delve into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

Grafana versions ranging from >= 5.0.0-beta1 to < 7.5.15 and >= 8.0.0 to < 8.3.5 are affected. Unauthorized users can access data by exploiting API endpoints like

/teams/:teamId

and

/teams/:teamId/members

.

Affected Systems and Versions

Versions of Grafana affected by this vulnerability include >= 5.0.0-beta1, < 7.5.15, and >= 8.0.0, < 8.3.5.

Exploitation Mechanism

Attackers with authenticated access can query specific team IDs or use search endpoints to view unintended data, exploiting the lack of proper user authorization.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-21713, users should take immediate steps, follow long-term security practices, and ensure timely patching and updates.

Immediate Steps to Take

Users are advised to upgrade to secure versions promptly to prevent unauthorized access and protect sensitive data.

Long-Term Security Practices

Implement strict access controls, regularly monitor for unauthorized activities, and conduct security trainings to enhance awareness.

Patching and Updates

Keep Grafana installations up to date with the latest patches and security updates to address vulnerabilities and maintain a secure environment.