CVE-2021-28146
First published: Mon Mar 22 2021(Updated: )
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. This can be used to grant a user team permissions that the user isn't supposed to have.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Grafana Grafana | >=7.4.0<7.4.5 |
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Reference Links
- https://community.grafana.com/t/grafana-enterprise-6-7-6-7-3-10-and-7-4-5-security-update/44724
- https://community.grafana.com/t/release-notes-v6-7-x/27119
- https://grafana.com/blog/2021/03/18/grafana-6.7.6-7.3.10-and-7.4.5-released-with-important-security-fixes-for-grafana-enterprise/
- https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-3-10/
- https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-5/
- https://grafana.com/products/enterprise/
- https://www.openwall.com/lists/oss-security/2021/03/19/5
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID of this issue is CVE-2021-28146.
What is the severity of CVE-2021-28146?
The severity of CVE-2021-28146 is medium with a CVSS score of 6.5.
What is the affected software?
The affected software is Grafana Enterprise 7.4.x before 7.4.5.
What is the description of this vulnerability?
The team sync HTTP API in Grafana Enterprise 7.4.x before 7.4.5 has an Incorrect Access Control issue, allowing any authenticated user to add external groups to existing teams.
How can I fix CVE-2021-28146?
To fix CVE-2021-28146, upgrade your Grafana Enterprise installation to version 7.4.5 or later.
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