Medium severity · published Mar 22, 2021
CVE-2021-28147
The team sync HTTP API in Grafana Enterprise 6.x before 6.7.6, 7.x before 7.3.10, and 7.4.x before 7.4.5 has an Incorrect Access Control issue
6.5
CVSS
1.6%
EPSS
No
On KEV
Description
The team sync HTTP API in Grafana Enterprise 6.x before 6.7.6, 7.x before 7.3.10, and 7.4.x before 7.4.5 has an Incorrect Access Control issue. 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. 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
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 76% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
Grafana · Grafana
6.0.0 before 6.7.6; 7.0.0 before 7.3.10; 7.4.0 before 7.4.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-28147
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-28147
Vendor Advisory
https://community.grafana.com/t/grafana-enterprise-6-7-6-7-3-10-and-7-4-5-security-update/44724
Release Notes
https://community.grafana.com/t/release-notes-v6-7-x/27119
Release Notes
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/
Release Notes
https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-3-10/
Release Notes
https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-5/
Product
https://grafana.com/products/enterprise/
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