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.
Published 2021-03-22 15:15:15
Updated 2022-05-20 20:43:49
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2021-28147

  • Grafana » Grafana » Enterprise Edition
    Versions from including (>=) 6.0.0 and before (<) 6.7.6
    cpe:2.3:a:grafana:grafana:*:*:*:*:enterprise:*:*:*
  • Grafana » Grafana » Enterprise Edition
    Versions from including (>=) 7.4.0 and before (<) 7.4.5
    cpe:2.3:a:grafana:grafana:*:*:*:*:enterprise:*:*:*
  • Grafana » Grafana » Enterprise Edition
    Versions from including (>=) 7.0.0 and before (<) 7.3.10
    cpe:2.3:a:grafana:grafana:*:*:*:*:enterprise:*:*:*

Exploit prediction scoring system (EPSS) score for CVE-2021-28147

0.13%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 49 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-28147

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.5
LOW AV:N/AC:M/Au:S/C:N/I:P/A:N
6.8
2.9
NIST
6.5
MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
2.8
3.6
NIST

References for CVE-2021-28147

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