CVE-2021-28146 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Reference

https://grafana.com/products/enterprise/ https://www.openwall.com/lists/oss-security/2021/03/19/5 https://community.grafana.com/t/release-notes-v6-7-x/27119 https://community.grafana.com/t/grafana-enterprise-6-7-6-7-3-10-and-7-4-5-security-update/44724 https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-3-10/ 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-7-4-5/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

6.5