ZDF
Sign inSign up

Vulnerabilities

Vulnerability · 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.

Published Mar 22, 2021 · catalog updated Jun 17, 2026 · The team sync HTTP

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2021-28147. EPSS is 1.61%. Act only if a listed version of The team sync HTTP is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (The team sync HTTP).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.61%
Remediation
Version ranges on file
Affected products
cpe grafana/grafana

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe grafana/grafana< 6.7.6
  • cpe grafana/grafana< 7.3.10
  • cpe grafana/grafana< 7.4.5

How to fix CVE-2021-28147

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2021-28147. EPSS is 1.61%. Act only if a listed version of The team sync HTTP is installed.

Which versions are affected?

Compare what you have installed with < 6.7.6, < 7.3.10, < 7.4.5. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 1.61%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Grafana security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 22, 2021 · Monitored products — high

    Detected

    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 th

  2. Jun 17, 2026 · Monitored products — high

    Updated

    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 th

Sources

  • CVE.orgVulnerability recordCVE-2021-28147

    Official CVE identifier

    cve.org
  • Monitored products — highVendor advisoryCVE-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. 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 th

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 4, 2026
  • Monitored products — highNov 2, 2026