CVE-2021-39226: Grafana Authentication Bypass Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

Grafana contains an authentication bypass vulnerability that allows authenticated and unauthenticated users to view and delete all snapshot data, potentially resulting in complete snapshot data loss.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://grafana.com/blog/2021/10/05/grafana-7.5.11-and-8.1.6-released-with-critical-security-fix/; https://nvd.nist.gov/vuln/detail/CVE-2021-39226

Weakness behind it

CISA records this vulnerability as an instance of CWE-287. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-39226
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog