QID 730073

Date Published: 2021-05-20

QID 730073: Grafana Enterprise Multiple Security Vulnerabilities

Grafana is an open-source, general purpose dashboard and graph composer, which runs as a web application.
Affected By Below Vulnerabilies:
CVE-2021-28147: On Grafana instances using an external authentication service and having the EditorsCanAdmin feature enabled, this vulnerability allows any authenticated user to add external groups to any existing team.
CVE-2021-27962: Allows a dashboard editor to bypass a permission check concerning a data source they should not be able to access.
CVE-2021-28148: This allows any unauthenticated user to send an unlimited number of requests to the endpoint, leading to a denial of service (DoS) attack against a Grafana Enterprise instance.
CVE-2021-28146: On Grafana instances using an external authentication service, this vulnerability allows any authenticated user to add external groups to existing teams. This can be used to grant a user team permissions that the user isn't supposed to have.

Affected Versions:
Grafana Enterprise 7.4.x before 7.4.5
Grafana Enterprise 7.3.x before 7.3.10
Grafana Enterprise 6.3.x before 6.7.6

QID Detection Logic:
This QID checks for vulnerable version of Grafana Enterprise.

Successful exploitation could allows to affects integrity, availability and confidentiality.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 4.9 severity.
    • Solution
    Customers are advised to download Grafana Enterprise 6.7.6, 7.3.10, 7.4.5 or later to fix this vulnerability.
    Vendor References

    CVEs related to QID 730073

    CVE-2021-28147 | CVE-2021-27962 | CVE-2021-28148 | CVE-2021-28146 |
    Software Advisories
    Advisory ID Software Component Link
    Grafana release note 6.7.6 URL Logo community.grafana.com/t/release-notes-v6-7-x/27119
    Grafana release note 7.3.10 URL Logo grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-5/
    Grafana release note 7.4.5 URL Logo grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-5/
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