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CVE-2021-28146

Date: March 22, 2021

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.

Severity Score

Related Resources (10)

https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-3-10/
https://nvd.nist.gov/vuln/detail/CVE-2021-28146
https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-5/
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/products/enterprise/
https://security.alpinelinux.org/vuln/CVE-2021-28146
https://www.openwall.com/lists/oss-security/2021/03/19/5
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://www.mend.io/vulnerability-database/CVE-2021-28146

Severity Score

Weakness Type (CWE)

Incorrect Authorization

CWE-863

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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